{"id":36354,"date":"2026-09-30T15:24:31","date_gmt":"2026-09-30T07:24:31","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-force-update-cdn-cache-when-its-not-refreshing\/"},"modified":"2026-09-30T15:26:46","modified_gmt":"2026-09-30T07:26:46","slug":"how-to-force-update-cdn-cache-when-its-not-refreshing","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/","title":{"rendered":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58"},"content":{"rendered":"

\u4f60\u521a\u90e8\u7f72\u4e86\u4e00\u9879\u5173\u952e\u53d8\u66f4\u3002\u6e90\u7ad9\u670d\u52a1\u5668<\/a>\u4e0a\u5df2\u7ecf\u662f\u65b0\u6587\u4ef6\u4e86\uff0c\u4f46\u8bbf\u5ba2\u770b\u5230\u7684\u4ecd\u7136\u662f\u65e7\u7248\u672c\u3002\u8fd9\u6b63\u662f cdn cache not refreshing \u7684\u5178\u578b\u8868\u73b0\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u6e05\u9664\u5404\u4e2a CDN \u8fb9\u7f18\u8282\u70b9<\/a>\u4e0a\u7684\u9648\u65e7\u526f\u672c\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u5f3a\u5236\u8fb9\u7f18\u8282\u70b9\u91cd\u65b0\u56de\u6e90\u6293\u53d6\u6700\u65b0\u6570\u636e\uff0c\u800c\u4e14\u901a\u5e38\u51e0\u5206\u949f\u5185\u5c31\u80fd\u5b8c\u6210\u3002<\/p>\n

\u51fa\u73b0\u9648\u65e7\u526f\u672c\u662f CDN \u7684\u6b63\u5e38\u884c\u4e3a\uff0c\u5e76\u4e0d\u4ee3\u8868\u670d\u52a1\u5668\u574f\u4e86\u3002\u6bcf\u4e2a PoP \u90fd\u4f1a\u5404\u81ea\u4fdd\u7559\u4e00\u4efd\u81ea\u5df1\u7684\u7f13\u5b58\u7248\u672c\u3002\u67d0\u4e2a\u8282\u70b9\u53ef\u80fd\u5df2\u7ecf\u66f4\u65b0\uff0c\u800c\u53e6\u4e00\u4e2a\u8282\u70b9\u8fd8\u5728\u6ede\u540e\u3002\u4e00\u6b21 purge \u8bf7\u6c42\u4f1a\u5f88\u5feb\u4f20\u64ad\u5230\u6240\u6709\u8fb9\u7f18\u8282\u70b9\uff0c\u901a\u5e38\u51e0\u5206\u949f\u5185\u5c31\u80fd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n

\u8fd9\u4e2a\u6e05\u9664\u8fc7\u7a0b\u4e0d\u9700\u8981\u590d\u6742\u914d\u7f6e\u3002\u4f60\u53ea\u9700\u53d1\u51fa\u4e00\u6761 purge \u547d\u4ee4\uff0c\u7136\u540e\u9a8c\u8bc1\u8fd4\u56de\u7ed3\u679c\u5373\u53ef\u3002<\/p>\n

CDN \u4e2d\u7684\u7f13\u5b58\u5931\u6548\u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n

\u7f13\u5b58\u5931\u6548\uff0c\u662f\u6307\u901a\u77e5\u7f13\u5b58\uff1a\u5b83\u4fdd\u5b58\u7684\u526f\u672c\u5df2\u7ecf\u8fc7\u671f\u3001\u4e0d\u518d\u53ef\u7528\u3002\u653e\u5230 CDN \u91cc\uff0c\u7f13\u5b58\u5931\u6548\u5c31\u662f\u628a\u540c\u6837\u7684\u903b\u8f91\u5e94\u7528\u5230\u8fb9\u7f18\u670d\u52a1\u5668\u4e0a\u3002\u6bcf\u4e2a\u8fb9\u7f18\u670d\u52a1\u5668\u90fd\u6301\u6709\u81ea\u5df1\u7684\u4e00\u4efd\u5185\u5bb9\u526f\u672c\u3002\u5931\u6548\u64cd\u4f5c\u4f1a\u544a\u8bc9\u8fd9\u4efd\u8fb9\u7f18\u526f\u672c\u4e0d\u8981\u518d\u7ee7\u7eed\u63d0\u4f9b\u9648\u65e7\u6570\u636e\u3002\u968f\u540e\u4e0b\u4e00\u6b21\u8bf7\u6c42\u5c31\u4f1a\u4ece\u4f60\u7684\u6e90\u7ad9\u62c9\u53d6\u66f4\u65b0\u540e\u7684\u7248\u672c\u3002<\/p>\n

\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u4e00\u4efd\u590d\u5370\u4ef6\u3002\u4f60\u4fee\u6539\u4e86\u539f\u59cb\u6587\u6863\uff0c\u4f46\u590d\u5370\u4ef6\u4e0a\u7684\u6587\u5b57\u8fd8\u662f\u65e7\u7684\u3002\u590d\u5236\u4ef6\u5df2\u7ecf\u548c\u6e90\u6587\u4ef6\u4e0d\u4e00\u81f4\u4e86\u3002\u4f60\u7684\u8fb9\u7f18\u8282\u70b9\u4fdd\u5b58\u7684\u5c31\u662f\u8fd9\u4efd\u201c\u590d\u5370\u4ef6\u201d\u3002\u5b83\u4eec\u4f1a\u4e00\u76f4\u63d0\u4f9b\u65e7\u5185\u5bb9\uff0c\u76f4\u5230\u6709\u67d0\u79cd\u673a\u5236\u5f3a\u5236\u5b83\u4eec\u5237\u65b0\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u6e90\u7ad9\u548c\u8fb9\u7f18\u8282\u70b9\u4f1a\u4e0d\u4e00\u81f4<\/h3>\n

\u4f60\u7684 CDN \u8fb9\u7f18\u7f13\u5b58\u662f\u72ec\u7acb\u4e8e\u6e90\u7ad9\u670d\u52a1\u5668\u7684\u4e00\u5c42\u3002\u5f53\u6e90\u7ad9\u5185\u5bb9\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8fb9\u7f18\u7f13\u5b58\u4ecd\u7136\u53ef\u80fd\u4fdd\u7559\u7740\u6b64\u524d\u6293\u53d6\u5230\u7684\u65e7\u526f\u672c\u3002\u4e8e\u662f\uff0c\u6e90\u7ad9\u663e\u793a\u7684\u662f\u66f4\u65b0\u540e\u7684\u6587\u4ef6\uff0c\u800c\u8fb9\u7f18\u8282\u70b9\u63d0\u4f9b\u7684\u5374\u8fd8\u662f\u65e7\u7248\u672c\u3002\u9664\u975e\u7f13\u5b58\u8fc7\u671f\u3001\u88ab\u6e05\u9664\uff0c\u6216\u8005\u88ab\u5f3a\u5236\u5237\u65b0\uff0c\u5426\u5219\u8fd9\u79cd\u5dee\u5f02\u4f1a\u4e00\u76f4\u5b58\u5728\u3002<\/p>\n

\u5728\u6e90\u7ad9\u548c\u7528\u6237\u4e4b\u95f4\uff0c\u5f80\u5f80\u8fd8\u5b58\u5728\u591a\u5c42\u7f13\u5b58\u3002\u975e\u539f\u5b50\u5316\u90e8\u7f72\u4e5f\u53ef\u80fd\u5bfc\u81f4\u8bbf\u5ba2\u770b\u5230\u201c\u90e8\u5206\u66f4\u65b0\u201d\u7684\u72b6\u6001\u3002\u6bd4\u5982\u6784\u5efa\u9519\u8bef\u65f6\uff0c\u8d44\u6e90\u66f4\u65b0\u4e86\u4f46\u6e05\u5355\u6587\u4ef6\u6ca1\u66f4\u65b0\uff0c\u6216\u8005\u53cd\u8fc7\u6765\u3002<\/p>\n

Purge\u3001Invalidation \u548c Eviction \u7684\u533a\u522b<\/h3>\n

\u8fd9\u4e09\u4e2a\u672f\u8bed\u63cf\u8ff0\u7684\u662f\u4e09\u79cd\u4e0d\u540c\u52a8\u4f5c\u3002Purge \u6307\u624b\u52a8\u79fb\u9664\u67d0\u4e2a\u7f13\u5b58\u5bf9\u8c61\u3002Invalidation \u6307\u5c06\u67d0\u4e2a\u5bf9\u8c61\u6807\u8bb0\u4e3a\u9648\u65e7\uff0c\u4f7f\u4e0b\u4e00\u6b21\u8bf7\u6c42\u91cd\u65b0\u62c9\u53d6\u3002Eviction \u6307\u5f53\u7f13\u5b58\u7a7a\u95f4\u4e0d\u8db3\uff0c\u6216\u751f\u5b58\u65f6\u95f4\u5230\u671f\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u5c06\u5bf9\u8c61\u79fb\u9664\u3002<\/p>\n

TTL\uff0c\u4e5f\u5c31\u662f time-to-live\uff08\u751f\u5b58\u65f6\u95f4\uff09\uff0c\u672c\u8d28\u4e0a\u662f\u4e00\u79cd\u57fa\u4e8e\u65f6\u95f4\u7684\u9a71\u9010\u89e6\u53d1\u673a\u5236\u3002\u5b83\u4e0e\u57fa\u4e8e\u7a7a\u95f4\u7684\u9a71\u9010\u76f8\u4e92\u8865\u5145\u3002\u7f13\u5b58\u6ee1\u4e86\u65f6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5728 TTL \u5c1a\u672a\u5230\u671f\u524d\uff0c\u5c31\u5148\u9a71\u9010\u6389\u4e00\u4e9b\u5185\u5bb9\u3002\u4e00\u4e2a\u6761\u76ee\u4e00\u65e6\u8fc7\u671f\uff0c\u5c31\u4f1a\u53d8\u6210 cache miss\uff0c\u4ece\u800c\u5f3a\u5236\u56de\u6e90\u6293\u53d6\u5185\u5bb9\u3002<\/p>\n

\n\n\n\n<\/colgroup>\n\n\n\n\n
\n

\u673a\u5236<\/p>\n<\/th>\n

\n

\u5bf9\u7f13\u5b58\u6761\u76ee\u7684\u5f71\u54cd<\/p>\n<\/th>\n<\/tr>\n

\n

\u57fa\u4e8e\u5bb9\u91cf\u7684\u9a71\u9010<\/p>\n<\/td>\n

\n

\u79fb\u9664\u8f83\u65e7\u6761\u76ee\uff0c\u4e3a\u65b0\u5185\u5bb9\u817e\u51fa\u7a7a\u95f4<\/p>\n<\/td>\n<\/tr>\n

\n

TTL \u5230\u671f<\/p>\n<\/td>\n

\n

\u5728 TTL \u7ed3\u675f\u540e\u79fb\u9664\u8be5\u6761\u76ee<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u7406\u89e3 cache invalidation\u3001eviction \u548c purge \u4e09\u8005\u7684\u533a\u522b\uff0c\u6709\u52a9\u4e8e\u4f60\u9009\u62e9\u6b63\u786e\u5de5\u5177\u3002Cache purging \u662f\u6309\u9700\u79fb\u9664\u5185\u5bb9\u3002Invalidation \u662f\u628a\u5185\u5bb9\u6807\u8bb0\u4e3a\u5df2\u8fc7\u671f\u3002Eviction \u5219\u662f\u81ea\u52a8\u53d1\u751f\u7684\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0 CDN \u7f13\u5b58\u4e0d\u5237\u65b0<\/h2>\n

\u6bcf\u4e2a\u88ab\u7f13\u5b58\u7684\u5bf9\u8c61\u90fd\u4f1a\u5e26\u6709\u4e00\u4e2a\u8fc7\u671f\u8ba1\u65f6\u5668\uff0c\u4e5f\u5c31\u662f time-to-live\uff08TTL\uff09\u3002\u4f60\u7684\u6e90\u7ad9\u901a\u8fc7 cache-control header \u6765\u8bbe\u7f6e\u8fd9\u4e2a\u8ba1\u65f6\u5668\u3002TTL \u5982\u679c\u5f88\u957f\uff0cCDN \u8fb9\u7f18\u8282\u70b9\u5c31\u4f1a\u6301\u7eed\u6570\u5c0f\u65f6\u63d0\u4f9b\u65e7\u526f\u672c\u3002\u4f60\u7684 cdn cache \u5c42\u4f1a\u628a\u54cd\u5e94\u5b58\u653e\u5728\u9760\u8fd1\u8bbf\u95ee\u8005\u7684\u4f4d\u7f6e\u3002cdn cache not refreshing \u8fd9\u4e2a\u73b0\u8c61\uff0c\u5f80\u5f80\u5c31\u662f\u4ece\u8fd9\u91cc\u5f00\u59cb\u7684\u3002<\/p>\n

TTL\u3001\u8fb9\u7f18\u8282\u70b9\u4e0e\u9648\u65e7\u526f\u672c<\/h3>\n

\u4e00\u4e2a CDN \u5f80\u5f80\u6a2a\u8de8\u6570\u767e\u4e2a PoP\u3002\u6bcf\u4e2a PoP \u90fd\u4f1a\u4fdd\u5b58\u81ea\u5df1\u7684\u7f13\u5b58\u526f\u672c\u3002\u67d0\u4e2a\u8282\u70b9\u53ef\u80fd\u4f1a\u7acb\u523b\u6293\u53d6\u5230\u65b0\u7248\u672c\uff0c\u800c\u53e6\u4e00\u4e2a\u8282\u70b9\u5374\u4f1a\u5728\u6574\u4e2a TTL \u5468\u671f\u5185\u7ee7\u7eed\u4fdd\u7559\u65e7\u7248\u672c\u3002\u8fd9\u79cd\u5dee\u5f02\u6b63\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48 cdn serves outdated content\u3002<\/p>\n

TTL \u7684\u8870\u51cf\u8868\u73b0\u5e76\u4e0d\u5b8c\u5168\u4e00\u81f4\uff0c\u56e0\u4e3a\u4e0d\u540c CDN \u8fd0\u8425\u65b9\u4f1a\u5bf9\u8fd9\u4e9b\u8ba1\u65f6\u5668\u505a\u4e0d\u540c\u8c03\u4f18\u3002\u6bcf\u4e2a\u8fb9\u7f18\u8282\u70b9\u4e5f\u4f1a\u5728\u672c\u5730\u72ec\u7acb\u8ba1\u7b97\u8ba1\u65f6\u3002\u6709\u4e9b\u8282\u70b9\u4f1a\u63d0\u524d\u6e05\u9664\u9648\u65e7\u6761\u76ee\uff0c\u6709\u4e9b\u5219\u4f1a\u4e00\u76f4\u4fdd\u7559\u5230\u771f\u6b63\u5230\u671f\u3002\u8fd9\u79cd\u4e0d\u5747\u5300\u7684\u65f6\u5e8f\uff0c\u4f1a\u8ba9\u4e0d\u540c\u5730\u533a\u6df7\u6742\u51fa\u73b0\u65b0\u65e7\u7248\u672c\u3002\u6b63\u56e0\u4e3a\u5982\u6b64\uff0ccdn caching issues \u5f80\u5f80\u5f88\u96be\u7a33\u5b9a\u590d\u73b0\u3002\u53ea\u8981\u67d0\u4e2a\u8282\u70b9\u5b58\u6d3b\u65f6\u95f4\u8d85\u8fc7\u9884\u671f\uff0ccdn cache not refreshing \u7684\u6a21\u5f0f\u5c31\u4f1a\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u7f13\u5b58\u5931\u6548\u8fd9\u4e48\u96be<\/h3>\n

\u4e1a\u5185\u4e00\u76f4\u628a cache invalidation \u89c6\u4e3a\u8457\u540d\u96be\u9898\u4e4b\u4e00\u3002\u4e0d\u5b58\u5728\u5b8c\u7f8e\u7684 cache invalidation solution\u3002\u4ece\u7406\u8bba\u4e0a\u8bf4\uff0c\u4e5f\u65e0\u6cd5\u4fdd\u8bc1\u7edd\u5bf9\u201c\u5373\u65f6\u201d\u7684\u5931\u6548\u3002\u9648\u65e7\u526f\u672c\u4f1a\u6b8b\u7559\uff0ccache invalidation \u7684\u7ed3\u679c\u4e5f\u59cb\u7ec8\u5e26\u6709\u4e0d\u786e\u5b9a\u6027\u3002\u8fd9\u79cd\u65f6\u95f4\u4e0a\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u6b63\u662f\u5931\u6548\u95ee\u9898\u7684\u6838\u5fc3\u3002<\/p>\n

\u800c\u5206\u5e03\u5f0f CDN \u4f1a\u8fdb\u4e00\u6b65\u653e\u5927\u8fd9\u4e2a\u96be\u5ea6\u3002Cache invalidation \u9700\u8981\u8ba9\u6570\u767e\u4e2a\u8fb9\u7f18\u670d\u52a1\u5668\u540c\u65f6\u5220\u9664\u5185\u5bb9\u3002\u5728\u5220\u9664\u4f20\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u6b63\u5728\u8fdb\u884c\u4e2d\u7684\u8bf7\u6c42\u4ecd\u53ef\u80fd\u6293\u5230\u65e7\u526f\u672c\u3002\u5927\u91cf\u56de\u6e90\u91cd\u53d6\u8fd8\u4f1a\u89e6\u53d1 thundering herd\uff08\u60ca\u7fa4\uff09\u95ee\u9898\u3002\u91cd\u65b0\u6293\u53d6\u5230\u7684\u5bf9\u8c61\u53c8\u53ef\u80fd\u5f15\u53d1\u4e0b\u4e00\u8f6e\u5931\u6548\u6ce2\u52a8\u3002\u6bcf\u4e00\u6b21 invalidation \u8bf7\u6c42\u90fd\u5e26\u6709\u4f20\u64ad\u6210\u672c\u3002\u8981\u5728\u6210\u5343\u4e0a\u4e07\u4e2a\u8282\u70b9\u4e4b\u95f4\u534f\u8c03\u5931\u6548\uff0c\u672c\u8eab\u5c31\u662f\u95ee\u9898\u7684\u672c\u8d28\u3002Purge \u7684\u65f6\u6548\u6027\uff0c\u4e5f\u540c\u6837\u5e26\u6709\u8fd9\u79cd invalidation \u7684\u4e0d\u786e\u5b9a\u6027\u3002<\/p>\n

\u53ef\u7528\u7684\u7f13\u5b58\u5931\u6548\u7b56\u7565\u4e3b\u8981\u6709\u4e09\u79cd\uff1a<\/p>\n

    \n
  1. \n

    \u7b49\u5f85 TTL \u5230\u671f\uff1a\u7f13\u5b58\u526f\u672c\u4f1a\u5728\u8fc7\u671f\u540e\u81ea\u52a8\u5237\u65b0\uff0c\u4f46\u5bf9\u7d27\u6025\u66f4\u65b0\u6765\u8bf4\uff0c\u8fd9\u4e2a\u529e\u6cd5\u5e76\u4e0d\u9002\u5408\u3002<\/p>\n<\/li>\n

  2. \n

    \u53d1\u8d77\u663e\u5f0f purge\uff1a\u901a\u8fc7 API \u5728\u6240\u6709\u8fb9\u7f18\u8282\u70b9\u4e0a\u5220\u9664\u5bf9\u5e94\u6761\u76ee\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u901a\u5e38\u9700\u8981\u51e0\u79d2\u5230\u51e0\u5206\u949f\u3002<\/p>\n<\/li>\n

  3. \n

    \u4fee\u6539 URL\uff1a\u4f8b\u5982\u4f7f\u7528 logo-v2.jpg<\/code> \u8fd9\u6837\u7684\u65b0\u5730\u5740\uff0c\u4ece\u6839\u672c\u4e0a\u7ed5\u8fc7 invalidation\u3002\u7136\u540e\u5728 HTML \u4e2d\u66f4\u65b0\u6240\u6709\u5f15\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u957f\u671f\u5b58\u5728\u7684 cdn caching issues \u5f80\u5f80\u9700\u8981\u53cc\u7ba1\u9f50\u4e0b\u3002\u5bf9\u65e5\u5e38\u5185\u5bb9\uff0c\u8981\u8c03\u4f18 ttl \u548c cache-control headers\u3002\u5bf9\u70ed\u4fee\u590d\u573a\u666f\uff0c\u5219\u4fdd\u7559 cache purging\u3002Invalidation \u4e0d\u662f\u4e00\u4e2a\u7b80\u5355\u5f00\u5173\uff0c\u800c\u662f\u4e00\u79cd\u6743\u8861\u3002\u4f60\u5e94\u8be5\u628a invalidation \u5f53\u4f5c\u4e00\u4e2a\u660e\u786e\u7684\u64cd\u4f5c\u6765\u5bf9\u5f85\u3002\u6309\u9700 purge \u80fd\u5e26\u6765\u63a7\u5236\u529b\uff1b\u4f46\u9891\u7e41 purge \u5219\u4f1a\u6d6a\u8d39\u8d44\u6e90\u3002\u5408\u7406\u7684 cache invalidation \u80fd\u5e2e\u52a9\u964d\u4f4e \u6e90\u7ad9\u6d41\u91cf<\/a>\u3002\u624b\u52a8 cache invalidation \u66f4\u9002\u5408\u5728\u4f4e\u6d41\u91cf\u65f6\u6bb5\u8fdb\u884c\u3002\u6709\u6548\u7684 invalidation\uff0c\u6838\u5fc3\u662f\u5728\u5185\u5bb9\u65b0\u9c9c\u5ea6\u4e0e\u6210\u672c\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n

    \u5982\u4f55\u5f3a\u5236\u5237\u65b0\u5185\u5bb9<\/h2>\n

    \u4f60\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u65b9\u5f0f\u6765\u5f3a\u5236\u5237\u65b0\u5185\u5bb9\u3002\u5efa\u8bae\u5148\u4ece\u624b\u52a8 purge \u6d41\u7a0b\u5f00\u59cb\uff0c\u7136\u540e\u518d\u9009\u62e9\u9002\u5408\u81ea\u5df1\u6280\u672f\u6808\u7684\u65b9\u6cd5\u3002<\/p>\n

    \u6309 URL \u6216\u6807\u7b7e\u6e05\u9664 CDN \u7f13\u5b58<\/h3>\n

    \u624b\u52a8 purge \u901a\u5e38\u4ece\u670d\u52a1\u5546\u63a7\u5236\u53f0\u5f00\u59cb\u3002\u4f60\u6253\u5f00\u7f13\u5b58\u9762\u677f\uff0c\u8f93\u5165\u8981\u79fb\u9664\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u7136\u540e\u786e\u8ba4\u6267\u884c\u3002\u4e4b\u540e\u8fb9\u7f18\u8282\u70b9\u4f1a\u4e22\u5f03\u8fd9\u4e9b\u5bf9\u8c61\uff0c\u5e76\u5728\u4e0b\u4e00\u6b21\u8bf7\u6c42\u5230\u6765\u65f6\u91cd\u65b0\u56de\u6e90\u6293\u53d6\u3002<\/p>\n

    Azure CDN \u5728\u5176\u63a7\u5236\u53f0\u4e2d\u63d0\u4f9b\u4e86 Purge \u6309\u94ae\u3002\u4f60\u53ef\u4ee5\u8f93\u5165\u50cf \/images\/*<\/code> \u8fd9\u6837\u7684\u901a\u914d\u8def\u5f84\uff0c\u4e00\u6b21\u6027\u6e05\u9664\u6574\u4e2a\u76ee\u5f55\u3002Cloudflare \u65e2\u652f\u6301\u5728\u63a7\u5236\u53f0\u4e2d\u624b\u52a8 flush\uff0c\u4e5f\u652f\u6301\u901a\u8fc7 purge api \u5b9e\u73b0\u81ea\u52a8\u5316\u3002\u4f60\u53ef\u4ee5\u7528\u4e00\u6b21 API \u8c03\u7528\u6765 purge cdn cache by URL\uff1a<\/p>\n

    curl -X POST \"https:\/\/api.cloudflare.com\/client\/v4\/zones\/$ZONE_ID\/purge_cache\" \\\r\n  -H \"X-Auth-Email: $EMAIL\" \\\r\n  -H \"X-Auth-Key: $APIKEY\" \\\r\n  -H \"Content-Type: application\/json\" \\\r\n  --data '{\"files\":[\"https:\/\/example.com\/cf-logo-on-white-bg.svg\"]}'<\/code><\/pre>\n
    \u8bf7\u6c42\u5b8c\u6210\u540e\uff0c\u6587\u4ef6\u72b6\u6001\u4f1a\u4ece cf-cache-status: HIT<\/code> \u53d8\u4e3a cf-cache-status: MISS<\/code>\u3002\u8fd9\u4e2a\u53d8\u5316\u8bf4\u660e\u4f60\u6210\u529f\u53ea\u6e05\u9664\u4e86\u76ee\u6807 URL\u3002<\/p>\n
    \n
    \u53ef\u901a\u8fc7\u6307\u5b9a URL \u7684\u65b9\u5f0f\uff0c\u7cbe\u7ec6\u5316\u5730\u4ece Cloudflare \u7f13\u5b58\u4e2d\u79fb\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u4ef6\u3002\u6240\u6709\u5957\u9910\u90fd\u652f\u6301\u6309 URL \u6e05\u9664\u3002<\/p>\n<\/blockquote>\n
    \u5168\u5c40 purge \u4f1a\u4e00\u6b21\u6027\u6e05\u7a7a\u6240\u6709\u5185\u5bb9\u3002\u5b83\u662f\u6700\u5feb\u7684\u65b9\u5f0f\uff0c\u4f46\u4e5f\u662f\u5f71\u54cd\u6700\u5927\u7684\u4e00\u79cd\u3002\u5b83\u4f1a\u8feb\u4f7f\u6240\u6709\u8fb9\u7f18\u8282\u70b9\u91cd\u65b0\u6293\u53d6\u5168\u90e8\u5185\u5bb9\uff0c\u4ece\u800c\u663e\u8457\u589e\u52a0\u6e90\u7ad9\u8d1f\u8f7d\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6309 URL \u6216\u6807\u7b7e purge \u66f4\u7cbe\u7ec6\u3002\u4f60\u53ea\u79fb\u9664\u53d1\u751f\u53d8\u5316\u7684\u5185\u5bb9\uff0c\u5176\u4f59\u7f13\u5b58\u4fdd\u6301\u4e0d\u52a8\u3002<\/p>\n
    \u7248\u672c\u5316 URL\u3001TTL \u8c03\u6574\u4e0e Surrogate Keys<\/h3>\n
    \u7248\u672c\u5316 URL \u53ef\u4ee5\u5f7b\u5e95\u7ed5\u5f00 invalidation\u3002\u5e38\u89c1\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a\u6587\u4ef6\u6307\u7eb9\u548c\u67e5\u8be2\u53c2\u6570\u3002\u6587\u4ef6\u6307\u7eb9\u662f\u628a\u54c8\u5e0c\u5199\u8fdb\u6587\u4ef6\u540d\u91cc\uff0c\u4f8b\u5982 app.9f3c2.js<\/code>\u3002\u67e5\u8be2\u53c2\u6570\u5219\u662f\u5728 URL \u540e\u9644\u52a0\u7248\u672c\u53f7\uff0c\u4f8b\u5982 style.css?v=42<\/code>\u3002\u8fd9\u4e24\u79cd\u65b9\u5f0f\u90fd\u4f1a\u8ba9\u8d44\u6e90\u62e5\u6709\u4e00\u4e2a\u65b0\u5730\u5740\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u8fdb\u884c cache purging\u3002<\/p>\n
    Surrogate keys \u5219\u63d0\u4f9b\u4e86\u53e6\u4e00\u6761\u8def\u5f84\u3002\u5b83\u4eec\u901a\u5e38\u662f\u9644\u52a0\u5728\u7f13\u5b58\u54cd\u5e94\u4e0a\u7684 HTTP headers\uff0c\u4f8b\u5982 x-surrogate-key<\/code>\uff0c\u7528\u4e8e\u7ed9\u5185\u5bb9\u6253\u6807\u7b7e\u3002\u5185\u5bb9\u66f4\u65b0\u65f6\uff0c\u4f60\u7684\u540e\u7aef\u65e0\u9700\u6309\u6574\u4e2a URL \u53bb purge\uff0c\u800c\u662f\u53ef\u4ee5\u9488\u5bf9\u7279\u5b9a key \u53d1\u8d77\u7cbe\u786e\u7684 BAN \u8bf7\u6c42\u3002\u7f13\u5b58\u4f1a\u628a\u8fd9\u4e9b\u6807\u7b7e\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u5e76\u5728\u6240\u6709\u76f8\u5173\u8def\u7531\u4e0a\u5373\u65f6\u4f7f\u5bf9\u5e94\u7f13\u5b58\u5bf9\u8c61\u5931\u6548\uff0c\u800c\u4e0d\u9700\u8981\u5237\u65b0\u6574\u4e2a\u7f13\u5b58\u3002\u8fd9\u79cd\u65b9\u5f0f\u5c24\u5176\u9002\u5408\u4f60\u5728\u914d\u7f6e CDN \u8fb9\u7f18\u7f13\u5b58\u4ee5\u8fdb\u884c\u7cbe\u51c6\u5931\u6548\u65f6\uff0c\u4ee5\u53ca\u5728\u9ad8\u6d41\u91cf\u3001\u8bfb\u5bc6\u96c6\u578b API \u573a\u666f\u4e0b\u505a\u5168\u7403\u6269\u5c55\u4f18\u5316\u65f6\u4f7f\u7528\u3002<\/p>\n
    \u987a\u5e26\u63d0\u9192\u4e00\u4e0b\uff1a\u6d4f\u89c8\u5668\u7f13\u5b58\u548c CDN \u7f13\u5b58\u662f\u4e24\u56de\u4e8b\u3002\u6253\u5f00 DevTools\uff0c\u8fdb\u5165 Network \u6807\u7b7e\u9875\uff0c\u4fdd\u6301 \u201cDisable cache\u201d \u4e0d\u52fe\u9009\uff0c\u7b5b\u9009 Doc\uff0c\u7136\u540e\u5237\u65b0\u9875\u9762\u3002\u4f60\u770b\u5230\u7684\u5c06\u662f\u6d4f\u89c8\u5668\u81ea\u8eab\u4fdd\u5b58\u7684\u5185\u5bb9\u3002\u4e0d\u8981\u628a\u8fd9\u4e00\u5c42\u548c\u8fb9\u7f18\u7f13\u5b58\u5c42\u6df7\u6dc6\u3002<\/p>\n
    \u4f20\u64ad\u3001\u81ea\u52a8\u5316\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n
    \u7b49\u5f85\u8fb9\u7f18\u8282\u70b9\u5b8c\u6210\u540c\u6b65<\/h3>\n
    Purge \u8bf7\u6c42\u5e76\u4e0d\u4f1a\u5728\u540c\u4e00\u65f6\u523b\u5230\u8fbe\u6240\u6709\u8fb9\u7f18\u8282\u70b9\u3002\u5b83\u4f1a\u968f\u7740\u65f6\u95f4\u5728\u6574\u4e2a CDN \u7f51\u7edc\u4e2d\u9010\u6b65\u4f20\u64ad\u3002\u4f60\u53ef\u80fd\u4f1a\u5728\u67d0\u4e2a\u5730\u533a\u770b\u5230\u65b0\u5185\u5bb9\uff0c\u800c\u53e6\u4e00\u4e2a\u5730\u533a\u4ecd\u5728\u63d0\u4f9b\u65e7\u7248\u672c\u3002\u8fd9\u79cd\u5ef6\u8fdf\u53eb\u4f5c\u4f20\u64ad\u5ef6\u8fdf\uff0c\u5e76\u4e0d\u4ee3\u8868 purge \u5931\u8d25\u3002Cache invalidation \u4f20\u64ad\u5230\u6240\u6709\u8282\u70b9\u6240\u9700\u7684\u65f6\u95f4\uff0c\u4f1a\u56e0\u670d\u52a1\u5546\u4e0d\u540c\uff0c\u4ee5\u53ca\u6301\u6709\u8be5\u5bf9\u8c61\u7684\u8282\u70b9\u6570\u91cf\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002<\/p>\n
    \u5728\u771f\u6b63\u4f9d\u8d56\u67d0\u5bb6 CDN \u7684 purge \u80fd\u529b\u4e4b\u524d\uff0c\u5148\u6d4b\u8bd5\u5b83\u7684\u5178\u578b\u4f20\u64ad\u65f6\u957f\u3002\u7136\u540e\u5728\u4f60\u7684\u5de5\u4f5c\u6d41\u4e2d\uff0c\u52a0\u5165\u4e0e\u4f60\u6d4b\u5f97\u7ed3\u679c\u76f8\u5339\u914d\u7684\u7b49\u5f85\u65f6\u95f4\u3002\u5982\u679c\u8df3\u8fc7\u8fd9\u4e00\u6b65\uff0c\u4f60\u5c31\u53ef\u80fd\u628a\u6b63\u5e38\u7684\u4f20\u64ad\u5ef6\u8fdf\uff0c\u8bef\u5224\u4e3a cdn cache not refreshing\u3002\u63a5\u7740\u4f60\u53c8\u4f1a\u518d\u6b21\u53d1\u8d77 purge\uff0c\u7ed3\u679c\u53ea\u662f\u589e\u52a0\u8d1f\u8f7d\uff0c\u800c\u4e0d\u4f1a\u771f\u6b63\u89e3\u51b3\u95ee\u9898\u3002\u5f88\u591a cdn caching issues\uff0c\u4e0e\u5176\u8bf4\u662f\u9760\u91cd\u590d purge \u89e3\u51b3\uff0c\u4e0d\u5982\u8bf4\u662f\u9760\u8010\u5fc3\u548c\u9a8c\u8bc1\u89e3\u51b3\u7684\u3002<\/p>\n
    \u628a Purge \u63a5\u5165\u90e8\u7f72\u6d41\u6c34\u7ebf<\/h3>\n
    \u5e94\u5f53\u5728\u5f00\u59cb\u90e8\u7f72\u4e4b\u524d\u5148 purge CDN \u7f13\u5b58\uff0c\u800c\u4e0d\u662f\u5728\u90e8\u7f72\u5b8c\u6210\u4e4b\u540e\u3002\u8fd9\u6837\u7684\u987a\u5e8f\u53ef\u4ee5\u907f\u514d\u8bbf\u5ba2\u5728\u4e0a\u4f20\u7a97\u53e3\u671f\u95f4\u547d\u4e2d\u9648\u65e7\u5185\u5bb9\u3002\u5c3d\u91cf\u4f7f\u7528\u9009\u62e9\u6027 purge\uff0c\u9488\u5bf9\u5177\u4f53\u6587\u4ef6\u3001\u76ee\u5f55\u6216 URL \u6a21\u5f0f\u64cd\u4f5c\u3002\u8fd9\u6837\u672a\u53d1\u751f\u53d8\u5316\u7684\u5185\u5bb9\u4ecd\u80fd\u4fdd\u7559\u7f13\u5b58\u5e26\u6765\u7684\u6027\u80fd\u6536\u76ca\u3002\u50cf \/css\/*<\/code> \u6216 \/js\/*<\/code> \u8fd9\u6837\u7684\u901a\u914d purge\uff0c\u5728\u4f60\u4e00\u6b21\u66f4\u65b0\u540c\u4e00\u76ee\u5f55\u4e2d\u7684\u5927\u91cf\u76f8\u5173\u6587\u4ef6\u65f6\u4f1a\u5f88\u597d\u7528\u3002<\/p>\n
    \u4f60\u53ef\u4ee5\u901a\u8fc7\u90e8\u7f72\u811a\u672c\u4e2d\u7684 purge api \u6765\u81ea\u52a8\u5316\u8fd9\u4e00\u6b65\u3002\u628a purge \u547d\u4ee4\u7eb3\u5165\u53d1\u5e03\u6d41\u7a0b\uff0c\u7b49\u5f85\u786e\u8ba4\u7ed3\u679c\uff0c\u4e3a\u5931\u8d25\u8bf7\u6c42\u52a0\u5165\u91cd\u8bd5\u903b\u8f91\uff0c\u5e76\u8bb0\u5f55\u5168\u90e8\u65e5\u5fd7\u3002\u518d\u5c06 purge \u4e0e\u6587\u4ef6\u6307\u7eb9\u3001\u67e5\u8be2\u5b57\u7b26\u4e32\u7248\u672c\u53f7\u8fd9\u7c7b\u7248\u672c\u5316\u7b56\u7565\u7ed3\u5408\u8d77\u6765\u3002\u8fd9\u6837\u66f4\u65b0\u540e\u7684\u8d44\u6e90\u4f1a\u76f4\u63a5\u7ed5\u8fc7\u65e7\u7f13\u5b58\u6761\u76ee\u3002\u91c7\u7528\u539f\u5b50\u5316\u90e8\u7f72\u4e5f\u5f88\u5173\u952e\uff0c\u6bd4\u5982\u5148\u4e0a\u4f20\u5230\u5e26\u7248\u672c\u53f7\u7684\u76ee\u5f55\uff0c\u518d\u7edf\u4e00\u5207\u6362\u5f15\u7528\uff0c\u8fd9\u6837\u5c31\u80fd\u6d88\u9664\u65b0\u65e7\u8d44\u6e90\u6df7\u6742\u51fa\u73b0\u7684\u7a97\u53e3\u671f\u3002<\/p>\n
    \u5927\u591a\u6570\u53cd\u590d\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u90fd\u6765\u81ea\u4e09\u4e2a\u9519\u8bef\u3002\u53ea purge \u5355\u4e2a URL\uff0c\u800c\u6574\u4e2a\u8d44\u6e90\u5305\u5176\u5b9e\u90fd\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4f1a\u5bfc\u81f4\u5927\u90e8\u5206\u8d44\u6e90\u4ecd\u65e7\u9648\u65e7\u3002\u5fd8\u8bb0\u8f6e\u6362 API token\uff0c\u4f1a\u8ba9\u81ea\u52a8\u5316\u9759\u9ed8\u5931\u6548\u3002\u70ed\u4fee\u590d\u573a\u666f\u4e0b\u5b8c\u5168\u4f9d\u8d56 TTL\uff0c\u5219\u4f1a\u8ba9\u7528\u6237\u5728\u6570\u5c0f\u65f6\u5185\u7ee7\u7eed\u770b\u5230\u65e7\u5185\u5bb9\u3002\u5e94\u5f53\u628a cache invalidation best practices \u89c6\u4e3a\u6d41\u6c34\u7ebf\u4e2d\u7684\u5fc5\u8981\u73af\u8282\uff0c\u800c\u4e0d\u662f\u4e8b\u540e\u8865\u6551\u3002\u90e8\u7f72\u540e\uff0c\u8fd8\u8981\u8de8\u591a\u4e2a\u8fb9\u7f18\u5730\u533a\u6d4b\u8bd5\u7f13\u5b58\u884c\u4e3a\uff0c\u5e76\u5728\u6d4b\u8bd5\u65f6\u6e05\u7406\u6d4f\u89c8\u5668\u7f13\u5b58\u3002\u517b\u6210\u8fd9\u4e9b\u4e60\u60ef\u540e\uff0ccache invalidation \u5c31\u4f1a\u4ece\u53cd\u590d\u7206\u53d1\u7684\u7d27\u6025\u6545\u969c\uff0c\u53d8\u6210\u4e00\u9879\u65e5\u5e38\u6d41\u7a0b\u3002<\/p>\n
    \n
    <\/div>\n<\/div>\n
    Purge \u80fd\u5f3a\u5236\u5237\u65b0\u3002\u9884\u9632\u63aa\u65bd\u5219\u80fd\u907f\u514d\u95ee\u9898\u518d\u6b21\u53d1\u751f\u3002\u4f60\u53ef\u4ee5\u5148\u9009\u4e00\u79cd\u201c\u5f3a\u5236\u66f4\u65b0\u201d\u65b9\u6cd5\u5f00\u59cb\uff1a\u7d27\u6025\u4fee\u590d\u65f6\u4f7f\u7528 API purge\uff0c\u9759\u6001\u8d44\u6e90\u5219\u4f18\u5148\u4f7f\u7528\u7248\u672c\u5316 URL\u3002\u7248\u672c\u5316 URL \u66f4\u9002\u5408\u4f5c\u4e3a\u4e3b\u8981\u9632\u7ebf\uff0c\u56e0\u4e3a\u6587\u4ef6\u540d\u4e00\u65e6\u53d8\u5316\uff0c\u5c31\u4f1a\u521b\u5efa\u65b0\u7684\u7f13\u5b58\u6761\u76ee\uff0c\u4e0d\u518d\u9700\u8981\u5931\u6548\u65e7\u6761\u76ee\u3002\u7136\u540e\u518d\u589e\u52a0\u4e00\u79cd\u9884\u9632\u4e60\u60ef\uff1a\u5728\u6bcf\u6b21\u53d1\u5e03\u524d\uff0c\u628a purge \u63a5\u5165\u90e8\u7f72\u6d41\u6c34\u7ebf\u3002\u628a API purge \u81ea\u52a8\u5316\u89c6\u4e3a\u4e00\u79cd\u6b21\u7ea7\u3001\u54cd\u5e94\u5f0f\u5de5\u5177\u3002\u53ea\u8981\u8fd9\u4e24\u79cd\u505a\u6cd5\u534f\u540c\u8fd0\u884c\uff0cCDN \u5c31\u4e0d\u4f1a\u518d\u9891\u7e41\u201c\u7ed9\u4f60\u60ca\u559c\u201d\u3002\u9648\u65e7\u5185\u5bb9\u662f\u4e00\u4e2a\u5e38\u89c1\u7684 CDN \u95ee\u9898\uff0c\u5b83\u6709\u660e\u786e\u7684\u89e3\u51b3\u65b9\u5f0f\uff0c\u5e76\u4e0d\u795e\u79d8\u3002<\/p>\n
    \u5e38\u89c1\u95ee\u9898<\/h2>\n
    \u4e3a\u4ec0\u4e48\u6211 purge \u4e4b\u540e\uff0cCDN \u4ecd\u7136\u5728\u63d0\u4f9b\u65e7\u6587\u4ef6\uff1f<\/h3>\n
    Purge \u8bf7\u6c42\u4f1a\u968f\u7740\u65f6\u95f4\u9010\u6b65\u4f20\u64ad\u5230\u5404\u4e2a\u8fb9\u7f18\u8282\u70b9\u3002\u67d0\u4e2a\u5730\u533a\u53ef\u80fd\u5df2\u7ecf\u663e\u793a\u65b0\u5185\u5bb9\uff0c\u800c\u53e6\u4e00\u4e2a\u5730\u533a\u8fd8\u4fdd\u7559\u7740\u65e7\u526f\u672c\u3002\u8fd9\u79cd\u5dee\u5f02\u662f\u4f20\u64ad\u5ef6\u8fdf\uff0c\u4e0d\u4ee3\u8868 purge \u5931\u8d25\u3002\u5148\u7b49\u5f85\u8bf7\u6c42\u5b8c\u6210\uff0c\u518d\u68c0\u67e5\u54cd\u5e94\u5934\u8fdb\u884c\u9a8c\u8bc1\uff0c\u7136\u540e\u518d\u51b3\u5b9a\u662f\u5426\u9700\u8981\u518d\u6b21 purge\u3002<\/p>\n
    \u4e00\u6b21 CDN purge \u9700\u8981\u591a\u4e45\u624d\u80fd\u4f20\u64ad\u5230\u6240\u6709\u8fb9\u7f18\u8282\u70b9\uff1f<\/h3>\n
    \u5177\u4f53\u65f6\u95f4\u53d6\u51b3\u4e8e\u670d\u52a1\u5546\uff0c\u4ee5\u53ca\u6301\u6709\u8be5\u5bf9\u8c61\u7684\u8282\u70b9\u6570\u91cf\u3002\u5728\u771f\u6b63\u4f9d\u8d56\u5b83\u4e4b\u524d\uff0c\u5148\u6d4b\u91cf\u4f60\u7684\u670d\u52a1\u5546\u901a\u5e38\u9700\u8981\u591a\u957f\u65f6\u95f4\u3002\u7136\u540e\u628a\u8fd9\u4e2a\u7b49\u5f85\u65f6\u95f4\u7eb3\u5165\u5de5\u4f5c\u6d41\u4e2d\u3002\u5426\u5219\uff0c\u4f60\u5f88\u5bb9\u6613\u628a\u6b63\u5e38\u4f20\u64ad\u5ef6\u8fdf\u8bef\u5224\u4e3a\u7f13\u5b58\u62d2\u7edd\u5237\u65b0\u3002<\/p>\n
    \u6211\u5e94\u8be5\u6e05\u7a7a\u5168\u90e8\u7f13\u5b58\uff0c\u8fd8\u662f\u53ea\u6e05\u9664\u6211\u6539\u52a8\u8fc7\u7684\u6587\u4ef6\uff1f<\/h3>\n
    \u5168\u5c40 purge \u4f1a\u4e00\u6b21\u6027\u6e05\u7a7a\u6240\u6709\u5185\u5bb9\u3002\u5b83\u867d\u7136\u662f\u6700\u5feb\u7684\u65b9\u6cd5\uff0c\u4f46\u4f1a\u8feb\u4f7f\u6240\u6709\u8fb9\u7f18\u8282\u70b9\u91cd\u65b0\u6293\u53d6\u5168\u90e8\u5185\u5bb9\uff0c\u4ece\u800c\u589e\u52a0\u6e90\u7ad9\u8d1f\u8f7d\u3002\u6309 URL \u6216\u6807\u7b7e purge \u66f4\u52a0\u7cbe\u7ec6\u3002\u53ea\u79fb\u9664\u53d1\u751f\u53d8\u5316\u7684\u5185\u5bb9\uff0c\u628a\u5176\u4ed6\u7f13\u5b58\u4fdd\u7559\u4e0b\u6765\u3002<\/p>\n
    \u7248\u672c\u5316 URL \u80fd\u5426\u5b8c\u5168\u66ff\u4ee3 purge\uff1f<\/h3>\n
    \u7248\u672c\u5316 URL \u4f1a\u7ed9\u6bcf\u4e2a\u8d44\u6e90\u5206\u914d\u4e00\u4e2a\u65b0\u5730\u5740\uff0c\u56e0\u6b64\u8fd9\u4e9b\u6587\u4ef6\u4e0d\u9700\u8981 purge\u3002\u6587\u4ef6\u6307\u7eb9\u548c\u67e5\u8be2\u53c2\u6570\u90fd\u5c5e\u4e8e\u8fd9\u79cd\u505a\u6cd5\u3002\u4e0d\u8fc7\uff0cAPI purge \u4ecd\u7136\u5e94\u8be5\u4fdd\u7559\uff0c\u4f5c\u4e3a\u90a3\u4e9b\u6765\u4e0d\u53ca\u6539\u6587\u4ef6\u540d\u7684\u7d27\u6025\u4fee\u590d\u573a\u666f\u4e0b\u7684\u540e\u5907\u624b\u6bb5\u3002<\/p>\n
    \u4e3a\u4ec0\u4e48 purge \u6210\u529f\u4e86\uff0c\u6211\u770b\u5230\u7684\u9875\u9762\u8fd8\u662f\u65e7\u7684\uff1f<\/h3>\n
    \u56e0\u4e3a\u4f60\u7684\u6d4f\u89c8\u5668\u4e5f\u6709\u81ea\u5df1\u7684\u7f13\u5b58\u5c42\uff0c\u5b83\u548c CDN \u8fb9\u7f18\u7f13\u5b58\u662f\u5206\u5f00\u7684\u3002\u6253\u5f00 DevTools\uff0c\u8fdb\u5165 Network \u6807\u7b7e\u9875\uff0c\u4fdd\u6301 \u201cDisable cache\u201d \u4e0d\u52fe\u9009\uff0c\u7b5b\u9009 Doc\uff0c\u7136\u540e\u5237\u65b0\u9875\u9762\u3002\u8fd9\u6837\u4f60\u770b\u5230\u7684\u5c31\u662f\u6d4f\u89c8\u5668\u81ea\u8eab\u7f13\u5b58\u4e86\u4ec0\u4e48\u3002\u4e0d\u8981\u628a\u6d4f\u89c8\u5668\u7f13\u5b58\u548c\u8fb9\u7f18\u7f13\u5b58\u6df7\u4e3a\u4e00\u8c08\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f60\u521a\u90e8\u7f72\u4e86\u4e00\u9879\u5173\u952e\u53d8\u66f4\u3002\u6e90\u7ad9\u670d\u52a1\u5668\u4e0a\u5df2\u7ecf\u662f\u65b0\u6587\u4ef6\u4e86\uff0c\u4f46\u8bbf\u5ba2\u770b\u5230\u7684\u4ecd\u7136\u662f\u65e7\u7248\u672c\u3002\u8fd9\u6b63\u662f cdn cache not refreshing \u7684\u5178\u578b\u8868\u73b0\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u6e05\u9664\u5404\u4e2a CDN \u8fb9\u7f18\u8282\u70b9\u4e0a\u7684\u9648\u65e7\u526f\u672c\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u5f3a\u5236\u8fb9\u7f18\u8282\u70b9\u91cd\u65b0\u56de\u6e90\u6293\u53d6\u6700\u65b0\u6570\u636e\uff0c\u800c\u4e14\u901a\u5e38\u51e0\u5206\u949f\u5185\u5c31\u80fd\u5b8c\u6210\u3002 \u51fa\u73b0\u9648\u65e7\u526f\u672c\u662f CDN \u7684\u6b63\u5e38\u884c\u4e3a\uff0c\u5e76\u4e0d\u4ee3\u8868\u670d\u52a1\u5668\u574f\u4e86\u3002\u6bcf\u4e2a PoP \u90fd\u4f1a\u5404\u81ea\u4fdd\u7559\u4e00\u4efd\u81ea\u5df1\u7684\u7f13\u5b58\u7248\u672c\u3002\u67d0\u4e2a\u8282\u70b9\u53ef\u80fd\u5df2\u7ecf\u66f4\u65b0\uff0c\u800c\u53e6\u4e00\u4e2a\u8282\u70b9\u8fd8\u5728\u6ede\u540e\u3002\u4e00\u6b21 purge \u8bf7\u6c42\u4f1a\u5f88\u5feb\u4f20\u64ad\u5230\u6240\u6709\u8fb9\u7f18\u8282\u70b9\uff0c\u901a\u5e38\u51e0\u5206\u949f\u5185\u5c31\u80fd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002 \u8fd9\u4e2a\u6e05\u9664\u8fc7\u7a0b\u4e0d\u9700\u8981\u590d\u6742\u914d\u7f6e\u3002\u4f60\u53ea\u9700\u53d1\u51fa\u4e00\u6761 purge \u547d\u4ee4\uff0c\u7136\u540e\u9a8c\u8bc1\u8fd4\u56de\u7ed3\u679c\u5373\u53ef\u3002 CDN \u4e2d\u7684\u7f13\u5b58\u5931\u6548\u662f\u4ec0\u4e48\u610f\u601d \u7f13\u5b58\u5931\u6548\uff0c\u662f\u6307\u901a\u77e5\u7f13\u5b58\uff1a\u5b83\u4fdd\u5b58\u7684\u526f\u672c\u5df2\u7ecf\u8fc7\u671f\u3001\u4e0d\u518d\u53ef\u7528\u3002\u653e\u5230 CDN \u91cc\uff0c\u7f13\u5b58\u5931\u6548\u5c31\u662f\u628a\u540c\u6837\u7684\u903b\u8f91\u5e94\u7528\u5230\u8fb9\u7f18\u670d\u52a1\u5668\u4e0a\u3002\u6bcf\u4e2a\u8fb9\u7f18\u670d\u52a1\u5668\u90fd\u6301\u6709\u81ea\u5df1\u7684\u4e00\u4efd\u5185\u5bb9\u526f\u672c\u3002\u5931\u6548\u64cd\u4f5c\u4f1a\u544a\u8bc9\u8fd9\u4efd\u8fb9\u7f18\u526f\u672c\u4e0d\u8981\u518d\u7ee7\u7eed\u63d0\u4f9b\u9648\u65e7\u6570\u636e\u3002\u968f\u540e\u4e0b\u4e00\u6b21\u8bf7\u6c42\u5c31\u4f1a\u4ece\u4f60\u7684\u6e90\u7ad9\u62c9\u53d6\u66f4\u65b0\u540e\u7684\u7248\u672c\u3002 \u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u4e00\u4efd\u590d\u5370\u4ef6\u3002\u4f60\u4fee\u6539\u4e86\u539f\u59cb\u6587\u6863\uff0c\u4f46\u590d\u5370\u4ef6\u4e0a\u7684\u6587\u5b57\u8fd8\u662f\u65e7\u7684\u3002\u590d\u5236\u4ef6\u5df2\u7ecf\u548c\u6e90\u6587\u4ef6\u4e0d\u4e00\u81f4\u4e86\u3002\u4f60\u7684\u8fb9\u7f18\u8282\u70b9\u4fdd\u5b58\u7684\u5c31\u662f\u8fd9\u4efd\u201c\u590d\u5370\u4ef6\u201d\u3002\u5b83\u4eec\u4f1a\u4e00\u76f4\u63d0\u4f9b\u65e7\u5185\u5bb9\uff0c\u76f4\u5230\u6709\u67d0\u79cd\u673a\u5236\u5f3a\u5236\u5b83\u4eec\u5237\u65b0\u3002 \u4e3a\u4ec0\u4e48\u6e90\u7ad9\u548c\u8fb9\u7f18\u8282\u70b9\u4f1a\u4e0d\u4e00\u81f4 \u4f60\u7684 CDN \u8fb9\u7f18\u7f13\u5b58\u662f\u72ec\u7acb\u4e8e\u6e90\u7ad9\u670d\u52a1\u5668\u7684\u4e00\u5c42\u3002\u5f53\u6e90\u7ad9\u5185\u5bb9\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8fb9\u7f18\u7f13\u5b58\u4ecd\u7136\u53ef\u80fd\u4fdd\u7559\u7740\u6b64\u524d\u6293\u53d6\u5230\u7684\u65e7\u526f\u672c\u3002\u4e8e\u662f\uff0c\u6e90\u7ad9\u663e\u793a\u7684\u662f\u66f4\u65b0\u540e\u7684\u6587\u4ef6\uff0c\u800c\u8fb9\u7f18\u8282\u70b9\u63d0\u4f9b\u7684\u5374\u8fd8\u662f\u65e7\u7248\u672c\u3002\u9664\u975e\u7f13\u5b58\u8fc7\u671f\u3001\u88ab\u6e05\u9664\uff0c\u6216\u8005\u88ab\u5f3a\u5236\u5237\u65b0\uff0c\u5426\u5219\u8fd9\u79cd\u5dee\u5f02\u4f1a\u4e00\u76f4\u5b58\u5728\u3002 \u5728\u6e90\u7ad9\u548c\u7528\u6237\u4e4b\u95f4\uff0c\u5f80\u5f80\u8fd8\u5b58\u5728\u591a\u5c42\u7f13\u5b58\u3002\u975e\u539f\u5b50\u5316\u90e8\u7f72\u4e5f\u53ef\u80fd\u5bfc\u81f4\u8bbf\u5ba2\u770b\u5230\u201c\u90e8\u5206\u66f4\u65b0\u201d\u7684\u72b6\u6001\u3002\u6bd4\u5982\u6784\u5efa\u9519\u8bef\u65f6\uff0c\u8d44\u6e90\u66f4\u65b0\u4e86\u4f46\u6e05\u5355\u6587\u4ef6\u6ca1\u66f4\u65b0\uff0c\u6216\u8005\u53cd\u8fc7\u6765\u3002 Purge\u3001Invalidation \u548c Eviction \u7684\u533a\u522b \u8fd9\u4e09\u4e2a\u672f\u8bed\u63cf\u8ff0\u7684\u662f\u4e09\u79cd\u4e0d\u540c\u52a8\u4f5c\u3002Purge \u6307\u624b\u52a8\u79fb\u9664\u67d0\u4e2a\u7f13\u5b58\u5bf9\u8c61\u3002Invalidation \u6307\u5c06\u67d0\u4e2a\u5bf9\u8c61\u6807\u8bb0\u4e3a\u9648\u65e7\uff0c\u4f7f\u4e0b\u4e00\u6b21\u8bf7\u6c42\u91cd\u65b0\u62c9\u53d6\u3002Eviction \u6307\u5f53\u7f13\u5b58\u7a7a\u95f4\u4e0d\u8db3\uff0c\u6216\u751f\u5b58\u65f6\u95f4\u5230\u671f\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u5c06\u5bf9\u8c61\u79fb\u9664\u3002 TTL\uff0c\u4e5f\u5c31\u662f time-to-live\uff08\u751f\u5b58\u65f6\u95f4\uff09\uff0c\u672c\u8d28\u4e0a\u662f\u4e00\u79cd\u57fa\u4e8e\u65f6\u95f4\u7684\u9a71\u9010\u89e6\u53d1\u673a\u5236\u3002\u5b83\u4e0e\u57fa\u4e8e\u7a7a\u95f4\u7684\u9a71\u9010\u76f8\u4e92\u8865\u5145\u3002\u7f13\u5b58\u6ee1\u4e86\u65f6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5728 TTL \u5c1a\u672a\u5230\u671f\u524d\uff0c\u5c31\u5148\u9a71\u9010\u6389\u4e00\u4e9b\u5185\u5bb9\u3002\u4e00\u4e2a\u6761\u76ee\u4e00\u65e6\u8fc7\u671f\uff0c\u5c31\u4f1a\u53d8\u6210 cache miss\uff0c\u4ece\u800c\u5f3a\u5236\u56de\u6e90\u6293\u53d6\u5185\u5bb9\u3002 \u673a\u5236 \u5bf9\u7f13\u5b58\u6761\u76ee\u7684\u5f71\u54cd \u57fa\u4e8e\u5bb9\u91cf\u7684\u9a71\u9010 \u79fb\u9664\u8f83\u65e7\u6761\u76ee\uff0c\u4e3a\u65b0\u5185\u5bb9\u817e\u51fa\u7a7a\u95f4 TTL \u5230\u671f \u5728 TTL \u7ed3\u675f\u540e\u79fb\u9664\u8be5\u6761\u76ee \u7406\u89e3 cache invalidation\u3001eviction […]<\/p>\n
    Read More…<\/a><\/p>\n","protected":false},"author":12,"featured_media":36351,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80],"tags":[],"class_list":["post-36354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"acf":[],"yoast_head":"\n\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58<\/title>\n<meta name=\"description\" content=\"\u5f53\u4f60\u7684 CDN \u7f13\u5b58\u8fdf\u8fdf\u4e0d\u5237\u65b0\u65f6\uff0c\u53ef\u901a\u8fc7\u6e05\u9664\u8fb9\u7f18\u8282\u70b9\u4e0a\u7684\u9648\u65e7\u6587\u4ef6\u6765\u5f3a\u5236\u66f4\u65b0\u3002\u4f7f\u7528 API \u6e05\u9664\u6216\u7248\u672c\u5316 URL\uff0c\u8ba9\u7528\u6237\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u5185\u5bb9\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/\" \/>\n<meta property=\"og:site_name\" content=\"Varidata Limited\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-30T07:24:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-30T07:26:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png\" \/>\n\t<meta property=\"og:image:width\" content=\"612\" \/>\n\t<meta property=\"og:image:height\" content=\"406\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/\"},\"author\":\"Varidata\",\"headline\":\"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58\",\"datePublished\":\"2026-09-30T07:24:31+00:00\",\"dateModified\":\"2026-09-30T07:26:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/\"},\"wordCount\":223,\"publisher\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Screenshot-2026-09-30-151335.png\",\"articleSection\":[\"Varidata \u77e5\u8bc6\u6587\u6863\"],\"inLanguage\":\"zh-SC\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/\",\"url\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/\",\"name\":\"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Screenshot-2026-09-30-151335.png\",\"datePublished\":\"2026-09-30T07:24:31+00:00\",\"dateModified\":\"2026-09-30T07:26:46+00:00\",\"description\":\"\u5f53\u4f60\u7684 CDN \u7f13\u5b58\u8fdf\u8fdf\u4e0d\u5237\u65b0\u65f6\uff0c\u53ef\u901a\u8fc7\u6e05\u9664\u8fb9\u7f18\u8282\u70b9\u4e0a\u7684\u9648\u65e7\u6587\u4ef6\u6765\u5f3a\u5236\u66f4\u65b0\u3002\u4f7f\u7528 API \u6e05\u9664\u6216\u7248\u672c\u5316 URL\uff0c\u8ba9\u7528\u6237\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u5185\u5bb9\u3002\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#breadcrumb\"},\"inLanguage\":\"zh-SC\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-SC\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Screenshot-2026-09-30-151335.png\",\"contentUrl\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Screenshot-2026-09-30-151335.png\",\"width\":612,\"height\":406,\"caption\":\"\u6e05\u9664 CDN \u7f13\u5b58\u4ee5\u66f4\u65b0\u8fb9\u7f18\u8282\u70b9\u65e7\u5185\u5bb9\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/knowledge\\\/how-to-force-update-cdn-cache-when-its-not-refreshing\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#website\",\"url\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/\",\"name\":\"Varidata Limited\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-SC\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#organization\",\"name\":\"Varidata\",\"url\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-SC\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2021\\\/09\\\/varidata_logo_white_-748x480_hor_web-1.png\",\"contentUrl\":\"https:\\\/\\\/www.varidata.com\\\/wp-content\\\/uploads\\\/2021\\\/09\\\/varidata_logo_white_-748x480_hor_web-1.png\",\"width\":248,\"height\":94,\"caption\":\"Varidata\"},\"image\":{\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.varidata.com\\\/zh-cn\\\/#\\\/schema\\\/person\\\/8fe12b0dd65fd2ba7ccf0dea7d14de6c\",\"name\":\"Amy Yan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-SC\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g\",\"caption\":\"Amy Yan\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58","description":"\u5f53\u4f60\u7684 CDN \u7f13\u5b58\u8fdf\u8fdf\u4e0d\u5237\u65b0\u65f6\uff0c\u53ef\u901a\u8fc7\u6e05\u9664\u8fb9\u7f18\u8282\u70b9\u4e0a\u7684\u9648\u65e7\u6587\u4ef6\u6765\u5f3a\u5236\u66f4\u65b0\u3002\u4f7f\u7528 API \u6e05\u9664\u6216\u7248\u672c\u5316 URL\uff0c\u8ba9\u7528\u6237\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u5185\u5bb9\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/","og_locale":"zh_CN","og_type":"article","og_title":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58","og_url":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/","og_site_name":"Varidata Limited","article_published_time":"2026-09-30T07:24:31+00:00","article_modified_time":"2026-09-30T07:26:46+00:00","og_image":[{"width":612,"height":406,"url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png","type":"image\/png"}],"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#article","isPartOf":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/"},"author":"Varidata","headline":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58","datePublished":"2026-09-30T07:24:31+00:00","dateModified":"2026-09-30T07:26:46+00:00","mainEntityOfPage":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/"},"wordCount":223,"publisher":{"@id":"https:\/\/www.varidata.com\/zh-cn\/#organization"},"image":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#primaryimage"},"thumbnailUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png","articleSection":["Varidata \u77e5\u8bc6\u6587\u6863"],"inLanguage":"zh-SC"},{"@type":"WebPage","@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/","url":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/","name":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58","isPartOf":{"@id":"https:\/\/www.varidata.com\/zh-cn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#primaryimage"},"image":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#primaryimage"},"thumbnailUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png","datePublished":"2026-09-30T07:24:31+00:00","dateModified":"2026-09-30T07:26:46+00:00","description":"\u5f53\u4f60\u7684 CDN \u7f13\u5b58\u8fdf\u8fdf\u4e0d\u5237\u65b0\u65f6\uff0c\u53ef\u901a\u8fc7\u6e05\u9664\u8fb9\u7f18\u8282\u70b9\u4e0a\u7684\u9648\u65e7\u6587\u4ef6\u6765\u5f3a\u5236\u66f4\u65b0\u3002\u4f7f\u7528 API \u6e05\u9664\u6216\u7248\u672c\u5316 URL\uff0c\u8ba9\u7528\u6237\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u5185\u5bb9\u3002","breadcrumb":{"@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#breadcrumb"},"inLanguage":"zh-SC","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/"]}]},{"@type":"ImageObject","inLanguage":"zh-SC","@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#primaryimage","url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png","contentUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-30-151335.png","width":612,"height":406,"caption":"\u6e05\u9664 CDN \u7f13\u5b58\u4ee5\u66f4\u65b0\u8fb9\u7f18\u8282\u70b9\u65e7\u5185\u5bb9"},{"@type":"BreadcrumbList","@id":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-force-update-cdn-cache-when-its-not-refreshing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.varidata.com\/zh-cn\/"},{"@type":"ListItem","position":2,"name":"\u5f53 CDN \u7f13\u5b58\u4e0d\u5237\u65b0\u65f6\uff0c\u5982\u4f55\u5f3a\u5236\u66f4\u65b0 CDN \u7f13\u5b58"}]},{"@type":"WebSite","@id":"https:\/\/www.varidata.com\/zh-cn\/#website","url":"https:\/\/www.varidata.com\/zh-cn\/","name":"Varidata Limited","description":"","publisher":{"@id":"https:\/\/www.varidata.com\/zh-cn\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.varidata.com\/zh-cn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-SC"},{"@type":"Organization","@id":"https:\/\/www.varidata.com\/zh-cn\/#organization","name":"Varidata","url":"https:\/\/www.varidata.com\/zh-cn\/","logo":{"@type":"ImageObject","inLanguage":"zh-SC","@id":"https:\/\/www.varidata.com\/zh-cn\/#\/schema\/logo\/image\/","url":"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png","contentUrl":"https:\/\/www.varidata.com\/wp-content\/uploads\/2021\/09\/varidata_logo_white_-748x480_hor_web-1.png","width":248,"height":94,"caption":"Varidata"},"image":{"@id":"https:\/\/www.varidata.com\/zh-cn\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.varidata.com\/zh-cn\/#\/schema\/person\/8fe12b0dd65fd2ba7ccf0dea7d14de6c","name":"Amy Yan","image":{"@type":"ImageObject","inLanguage":"zh-SC","@id":"https:\/\/secure.gravatar.com\/avatar\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/087e2e5704ab9b17ce8a5ebfda282b5f9d46ea62ff6c00f7b19ef4d6ce4e83aa?s=96&d=mm&r=g","caption":"Amy Yan"}}]}},"_links":{"self":[{"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/posts\/36354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/comments?post=36354"}],"version-history":[{"count":2,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/posts\/36354\/revisions"}],"predecessor-version":[{"id":36358,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/posts\/36354\/revisions\/36358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/media\/36351"}],"wp:attachment":[{"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/media?parent=36354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/categories?post=36354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.varidata.com\/zh-cn\/wp-json\/wp\/v2\/tags?post=36354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}