{"id":21069,"date":"2026-06-10T12:19:54","date_gmt":"2026-06-10T04:19:54","guid":{"rendered":"https:\/\/ab123.xyz\/?p=21069"},"modified":"2026-06-10T12:19:54","modified_gmt":"2026-06-10T04:19:54","slug":"dify-%e5%bc%80%e6%ba%90-rag-%e7%b3%bb%e7%bb%9f%e7%9a%84%e5%90%91%e9%87%8f%e6%95%b0%e6%8d%ae%e5%ba%93%e9%80%89%e5%9e%8b%e4%b8%8e%e5%88%86%e5%9d%97%e7%ad%96%e7%95%a5%e6%9d%83%e5%a8%81%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=21069","title":{"rendered":"Dify \u5f00\u6e90 RAG \u7cfb\u7edf\u7684\u5411\u91cf\u6570\u636e\u5e93\u9009\u578b\u4e0e\u5206\u5757\u7b56\u7565\u6743\u5a01\u6307\u5357"},"content":{"rendered":"<p>\u5728\u6784\u5efa\u57fa\u4e8e RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u7684\u667a\u80fd\u95ee\u7b54\u7cfb\u7edf\u65f6\uff0c\u5411\u91cf\u6570\u636e\u5e93\u7684\u9009\u578b\u4e0e\u6587\u6863\u5206\u5757\u7b56\u7565\u76f4\u63a5\u51b3\u5b9a\u4e86\u68c0\u7d22\u7cbe\u5ea6\u4e0e\u54cd\u5e94\u901f\u5ea6\u3002<a href=\"https:\/\/dify.ai\" target=\"_blank\">Dify \u5b98\u65b9\u7f51\u7ad9<\/a> \u4f5c\u4e3a\u5f00\u6e90\u793e\u533a\u6700\u6d3b\u8dc3\u7684 LLM \u5e94\u7528\u5f00\u53d1\u5e73\u53f0\uff0c\u5185\u7f6e\u4e86\u5bf9\u591a\u79cd\u5411\u91cf\u6570\u636e\u5e93\u7684\u652f\u6301\uff0c\u5e76\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u5206\u5757\u53c2\u6570\u914d\u7f6e\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u642d\u5efa\u751f\u4ea7\u7ea7 RAG \u5e94\u7528\u3002<\/p>\n<h2>\u4e00\u3001\u5411\u91cf\u6570\u636e\u5e93\u9009\u578b\uff1a\u6027\u80fd\u4e0e\u573a\u666f\u7684\u5e73\u8861<\/h2>\n<p>Dify \u539f\u751f\u652f\u6301 Qdrant\u3001Milvus\u3001Weaviate\u3001Pinecone \u7b49\u4e3b\u6d41\u5411\u91cf\u6570\u636e\u5e93\uff0c\u540c\u65f6\u4e5f\u517c\u5bb9 PostgreSQL + pgvector \u65b9\u6848\u3002\u9009\u578b\u65f6\u9700\u8003\u8651\u4ee5\u4e0b\u7ef4\u5ea6\uff1a<\/p>\n<ul>\n<li><strong>Qdrant<\/strong>\uff1a\u8f7b\u91cf\u7ea7\u3001\u9ad8\u6027\u80fd\uff0c\u9002\u5408\u4e2d\u5c0f\u89c4\u6a21\u90e8\u7f72\uff0c\u652f\u6301\u8fc7\u6ee4\u4e0e payload \u5b58\u50a8\uff0c\u662f Dify \u793e\u533a\u7248\u9ed8\u8ba4\u63a8\u8350\u65b9\u6848\u3002<\/li>\n<li><strong>Milvus<\/strong>\uff1a\u96c6\u7fa4\u80fd\u529b\u5f3a\u5927\uff0c\u9002\u7528\u4e8e\u4ebf\u7ea7\u5411\u91cf\u89c4\u6a21\uff0c\u9002\u5408\u4f01\u4e1a\u7ea7\u9ad8\u5e76\u53d1\u573a\u666f\u3002<\/li>\n<li><strong>Weaviate<\/strong>\uff1a\u5185\u7f6e\u6df7\u5408\u641c\u7d22\uff08\u5411\u91cf+\u5173\u952e\u8bcd\uff09\uff0c\u9002\u5408\u9700\u8981\u8bed\u4e49\u4e0e\u7cbe\u786e\u5339\u914d\u7ed3\u5408\u7684\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h3>\u9009\u578b\u5efa\u8bae<\/h3>\n<p>\u65b0\u624b\u5efa\u8bae\u4ece Qdrant \u6216 pgvector \u5165\u624b\uff0c\u590d\u6742\u4e1a\u52a1\u53ef\u9009\u7528 Milvus\u3002Dify \u7684\u6570\u636e\u5e93\u9002\u914d\u5c42\u4f7f\u5f97\u5207\u6362\u6210\u672c\u6781\u4f4e\uff0c\u5f00\u53d1\u8005\u53ef\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u4e00\u952e\u66ff\u6362\u3002<\/p>\n<h2>\u4e8c\u3001\u5206\u5757\u7b56\u7565\uff1a\u51b3\u5b9a\u68c0\u7d22\u8d28\u91cf\u7684\u547d\u95e8<\/h2>\n<p>\u6587\u6863\u5206\u5757\uff08Chunking\uff09\u662f RAG \u7ba1\u7ebf\u7684\u7b2c\u4e00\u6b65\uff0cDify \u63d0\u4f9b\u4e86\u4e09\u79cd\u6838\u5fc3\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u957f\u5ea6\u5206\u5757<\/strong>\uff1a\u6309 token \u6216\u5b57\u7b26\u6570\u5207\u5272\uff0c\u914d\u5408\u91cd\u53e0\u7a97\u53e3\uff08Overlap\uff09\u907f\u514d\u4fe1\u606f\u5272\u88c2\u3002\u9002\u5408\u7ed3\u6784\u7b80\u5355\u7684\u7eaf\u6587\u672c\u3002<\/li>\n<li><strong>\u9012\u5f52\u5b57\u7b26\u5206\u5757<\/strong>\uff1a\u57fa\u4e8e\u6bb5\u843d\u3001\u53e5\u5b50\u8fb9\u754c\u81ea\u9002\u5e94\u5207\u5206\uff0c\u4fdd\u6301\u8bed\u4e49\u5b8c\u6574\u6027\uff0cDify \u9ed8\u8ba4\u91c7\u7528\u6b64\u65b9\u6848\u3002<\/li>\n<li><strong>\u6620\u5c04\u5206\u5757<\/strong>\uff1a\u9488\u5bf9 Markdown\u3001PDF \u7b49\u7ed3\u6784\u5316\u6587\u6863\uff0c\u6309\u6807\u9898\u5c42\u7ea7\u63d0\u53d6\u5757\uff0c\u4fdd\u7559\u4e0a\u4e0b\u6587\u5c42\u7ea7\u3002<\/li>\n<\/ul>\n<h3>\u53c2\u6570\u8c03\u4f18\u6280\u5de7<\/h3>\n<p>\u5757\u5927\u5c0f\u5efa\u8bae\u5728 512-1024 token \u4e4b\u95f4\uff0c\u8fc7\u5c0f\u4e22\u5931\u4e0a\u4e0b\u6587\uff0c\u8fc7\u5927\u964d\u4f4e\u68c0\u7d22\u7cbe\u5ea6\u3002\u91cd\u53e0\u6bd4\u4f8b 10%-20% \u53ef\u63d0\u5347\u53ec\u56de\u7387\u3002Dify \u7684\u53ef\u89c6\u5316\u5206\u5757\u9884\u89c8\u529f\u80fd\u5141\u8bb8\u5f00\u53d1\u8005\u5373\u65f6\u8c03\u6574\u5e76\u6d4b\u8bd5\u6548\u679c\u3002<\/p>\n<h2>\u4e09\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>Dify \u7684 RAG \u7cfb\u7edf\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5ba2\u670d\u77e5\u8bc6\u5e93\u3001\u4f01\u4e1a\u5185\u90e8\u6587\u6863\u68c0\u7d22\u3001\u5b66\u672f\u8bba\u6587\u95ee\u7b54\u7b49\u573a\u666f\u3002\u4ee5\u5ba2\u670d\u573a\u666f\u4e3a\u4f8b\uff1a\u5c06 FAQ \u6587\u6863\u6309\u201c\u95ee\u9898-\u7b54\u6848\u201d\u5bf9\u8fdb\u884c\u5206\u5757\uff0c\u642d\u914d Qdrant \u5b58\u50a8\uff0c\u53ef\u5b9e\u73b0\u6beb\u79d2\u7ea7\u54cd\u5e94\u3002\u7ed3\u5408 Dify \u7684 Prompt \u7f16\u6392\u80fd\u529b\uff0c\u8fd8\u80fd\u81ea\u52a8\u751f\u6210\u6bb5\u843d\u5f15\u7528\u6765\u6e90\uff0c\u63d0\u5347\u53ef\u4fe1\u5ea6\u3002<\/p>\n<p>\u5bf9\u4e8e\u654f\u611f\u6570\u636e\uff0cDify \u652f\u6301\u672c\u5730\u90e8\u7f72\u5411\u91cf\u6570\u636e\u5e93\uff0c\u786e\u4fdd\u9690\u79c1\u5408\u89c4\u3002\u540c\u65f6\uff0c\u5176\u5185\u7f6e\u7684 Embedding \u6a21\u578b\u7ba1\u7406\u63a5\u53e3\uff08\u5982 OpenAI\u3001\u901a\u4e49\u5343\u95ee\u3001BGE\uff09\u8ba9\u5206\u5757\u540e\u7684\u5411\u91cf\u5316\u8fc7\u7a0b\u66f4\u52a0\u7edf\u4e00\u3002<\/p>\n<p>\u603b\u4e4b\uff0cDify \u4e0d\u4ec5\u964d\u4f4e\u4e86 RAG \u7cfb\u7edf\u7684\u642d\u5efa\u95e8\u69db\uff0c\u66f4\u901a\u8fc7\u5f00\u6e90\u7684\u751f\u6001\u8ba9\u5f00\u53d1\u8005\u53ef\u4ee5\u81ea\u7531\u5b9a\u5236\u5411\u91cf\u5b58\u50a8\u4e0e\u5206\u5757\u903b\u8f91\u3002\u7acb\u5373\u8bbf\u95ee <a href=\"https:\/\/github.com\/langgenius\/dify\" target=\"_blank\">Dify GitHub \u4ed3\u5e93<\/a> \u6216\u5b98\u7f51\u83b7\u53d6\u6700\u65b0\u7248\u672c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6784\u5efa\u57fa\u4e8e RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u7684\u667a\u80fd\u95ee\u7b54\u7cfb\u7edf\u65f6\uff0c\u5411\u91cf\u6570\u636e\u5e93\u7684\u9009\u578b\u4e0e\u6587\u6863\u5206\u5757\u7b56\u7565\u76f4\u63a5\u51b3\u5b9a\u4e86\u68c0\u7d22\u7cbe\u5ea6\u4e0e\u54cd\u5e94\u901f\u5ea6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[20791,10313,12438,10183,24448],"class_list":["post-21069","post","type-post","status-publish","format-standard","hentry","category-4","tag-dify","tag-rag","tag-12438","tag-10183","tag-llm"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21069"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21069\/revisions"}],"predecessor-version":[{"id":21071,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21069\/revisions\/21071"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}