TTL

{"value":"## TTL\n\n1.\u767b\u5f55X_CDN\u63a7\u5236\u53f0\uff0c\u70b9\u51fb\u6700\u4e0a\u9762\u7684\u201c\u57df\u540d\u201d\uff0c\u8fdb\u5165\u57df\u540d\u914d\u7f6e\u9875\u9762\uff0c\u9009\u62e9\u5b50\u57df\u540d\u3002\n\n\n\n\n2.\u9009\u62e9\u6dfb\u52a0\u5b50\u57df\u540d\uff0c\u8fdb\u5165\u914d\u7f6e\u9875\u3002\n\n\n\n3.\u70b9\u51fb\u914d\u7f6e\uff0c\u53ef\u914d\u7f6eTTL\u3002\n\n\n\n4.\u70b9\u51fb\u4fee\u6539\u914d\u7f6e\u4ee5\u540e\uff0c\u5c31\u53ef\u4ee5\u4fee\u6539TTL\uff0c\u8303\u56f4\u4e3a\uff1a0-10000\u79d2\n\n\n\n5.\u70b9\u51fb\u786e\u5b9a\u540e\uff0c\u5c31\u53ef\u4ee5\u67e5\u770b\u66f4\u6539\u540e\u7684\u4fe1\u606f\u3002\n\n\n\n"}