{"id":21412,"date":"2026-06-10T12:39:18","date_gmt":"2026-06-10T04:39:18","guid":{"rendered":"https:\/\/ab123.xyz\/?p=21412"},"modified":"2026-06-10T12:39:18","modified_gmt":"2026-06-10T04:39:18","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%b7%b1%e5%ba%a6%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=21412","title":{"rendered":"Dify \u5f00\u6e90 RAG \u7cfb\u7edf\u7684\u5411\u91cf\u6570\u636e\u5e93\u9009\u578b\u4e0e\u5206\u5757\u7b56\u7565\u6df1\u5ea6\u6307\u5357"},"content":{"rendered":"<p>\u5728\u6784\u5efa\u4f01\u4e1a\u7ea7\u667a\u80fd\u95ee\u7b54\u5e94\u7528\u65f6\uff0cDify \u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90 RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u7cfb\u7edf\uff0c\u51ed\u501f\u5176\u7075\u6d3b\u7684\u53ef\u89c6\u5316\u5de5\u4f5c\u6d41\u548c\u5f3a\u5927\u7684\u6269\u5c55\u80fd\u529b\uff0c\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u5f00\u53d1\u8005\u7684\u9752\u7750\u3002\u7136\u800c\uff0c\u5411\u91cf\u6570\u636e\u5e93\u7684\u9009\u578b\u4e0e\u6587\u672c\u5206\u5757\u7b56\u7565\u76f4\u63a5\u51b3\u5b9a\u4e86\u7cfb\u7edf\u7684\u68c0\u7d22\u7cbe\u5ea6\u4e0e\u6027\u80fd\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790 Dify \u5728\u8fd9\u4e24\u5927\u6838\u5fc3\u73af\u8282\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u60a8\u6253\u9020\u9ad8\u6548\u7684\u77e5\u8bc6\u5e93\u5f15\u64ce\u3002<\/p>\n<p>Dify \u7684\u5b98\u65b9\u7f51\u7ad9\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u6587\u6863\u4e0e\u793e\u533a\u652f\u6301\uff0c\u53ef\u70b9\u51fb <a href=\"https:\/\/dify.ai\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a> \u83b7\u53d6\u6700\u65b0\u7248\u672c\u4e0e\u6848\u4f8b\u3002<\/p>\n<h2>\u5411\u91cf\u6570\u636e\u5e93\u9009\u578b\uff1a\u6027\u80fd\u4e0e\u6210\u672c\u7684\u5e73\u8861<\/h2>\n<p>Dify \u539f\u751f\u652f\u6301\u591a\u79cd\u5411\u91cf\u6570\u636e\u5e93\uff0c\u5305\u62ec Milvus\u3001Qdrant\u3001Chroma \u548c Pinecone \u7b49\u3002\u4e0d\u540c\u573a\u666f\u4e0b\u5e94\u9009\u62e9\u4e0d\u540c\u65b9\u6848\uff1a<\/p>\n<h3>Milvus\uff1a\u9002\u5408\u5927\u89c4\u6a21\u751f\u4ea7\u73af\u5883<\/h3>\n<p>Milvus \u63d0\u4f9b\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u652f\u6301\u5341\u4ebf\u7ea7\u5411\u91cf\u68c0\u7d22\uff0c\u9002\u5408\u4f01\u4e1a\u7ea7\u77e5\u8bc6\u5e93\u3002Dify \u901a\u8fc7 RESTful API \u4e0e\u5176\u96c6\u6210\uff0c\u9700\u6ce8\u610f\u7d22\u5f15\u7c7b\u578b\uff08IVF_FLAT \u6216 HNSW\uff09\u7684\u9009\u62e9\u4ee5\u5e73\u8861\u901f\u5ea6\u4e0e\u51c6\u786e\u7387\u3002<\/p>\n<h3>Qdrant\uff1a\u8f7b\u91cf\u7ea7\u4e0e\u4f4e\u5ef6\u8fdf<\/h3>\n<p>Qdrant \u4ee5 Rust \u7f16\u5199\uff0c\u5355\u673a\u90e8\u7f72\u5373\u53ef\u83b7\u5f97\u6beb\u79d2\u7ea7\u54cd\u5e94\u3002Dify \u793e\u533a\u7248\u9ed8\u8ba4\u96c6\u6210 Qdrant\uff0c\u9002\u5408\u4e2d\u5c0f\u9879\u76ee\u3002\u5176 payload \u8fc7\u6ee4\u529f\u80fd\u53ef\u7ed3\u5408\u5143\u6570\u636e\u5b9e\u73b0\u6743\u9650\u63a7\u5236\u3002<\/p>\n<h3>Chroma\uff1a\u539f\u578b\u5f00\u53d1\u9996\u9009<\/h3>\n<p>Chroma \u65e0\u9700\u989d\u5916\u57fa\u7840\u8bbe\u65bd\uff0c\u5d4c\u5165\u5185\u5b58\u5373\u53ef\u8fd0\u884c\u3002\u9002\u5408\u5feb\u901f\u9a8c\u8bc1 RAG \u6d41\u7a0b\uff0c\u4f46\u4e0d\u5b9c\u7528\u4e8e\u9ad8\u5e76\u53d1\u573a\u666f\u3002<\/p>\n<h2>\u5206\u5757\u7b56\u7565\uff1a\u51b3\u5b9a\u68c0\u7d22\u8d28\u91cf\u7684\u57fa\u77f3<\/h2>\n<p>\u6587\u672c\u5206\u5757\uff08Chunking\uff09\u7684\u8d28\u91cf\u76f4\u63a5\u5f71\u54cd embedding \u6548\u679c\u4e0e\u53ec\u56de\u7387\u3002Dify \u63d0\u4f9b\u4e09\u79cd\u5185\u7f6e\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u957f\u5ea6\u5206\u5757\uff1a<\/strong>\u6309\u5b57\u7b26\u6570\u5207\u5272\uff0c\u9002\u5408\u7ed3\u6784\u7edf\u4e00\u7684\u6587\u6863\uff08\u5982\u6cd5\u5f8b\u6761\u6587\uff09\u3002\u63a8\u8350\u5757\u5927\u5c0f 500-1000 \u5b57\u7b26\uff0c\u91cd\u53e0\u7387 10%-20%\u3002<\/li>\n<li><strong>\u8bed\u4e49\u5206\u5757\uff1a<\/strong>\u5229\u7528 LLM \u5224\u65ad\u81ea\u7136\u6bb5\u843d\u8fb9\u754c\uff0c\u4fdd\u7559\u4e0a\u4e0b\u6587\u5b8c\u6574\u6027\u3002Dify \u652f\u6301 Sentence Transformers \u6a21\u578b\u8fdb\u884c\u8fb9\u754c\u68c0\u6d4b\u3002<\/li>\n<li><strong>\u9012\u5f52\u5206\u5757\uff1a<\/strong>\u7ed3\u5408\u6807\u9898\u3001\u5217\u8868\u7b49 Markdown \u7ed3\u6784\uff0c\u4f18\u5148\u4fdd\u7559\u5c42\u7ea7\u5173\u7cfb\u3002\u9002\u5408\u6280\u672f\u6587\u6863\u548c\u6559\u7a0b\u3002<\/li>\n<\/ul>\n<h3>\u5b9e\u6218\u5efa\u8bae\uff1a\u6df7\u5408\u7b56\u7565<\/h3>\n<p>\u5728 Dify \u5de5\u4f5c\u6d41\u4e2d\uff0c\u53ef\u9488\u5bf9\u4e0d\u540c\u6587\u4ef6\u7c7b\u578b\u914d\u7f6e\u4e0d\u540c\u5206\u5757\u5668\u3002\u4f8b\u5982\uff1aPDF \u4f7f\u7528\u8bed\u4e49\u5206\u5757\uff0cHTML \u4f7f\u7528\u9012\u5f52\u5206\u5757\u3002\u540c\u65f6\u914d\u5408 <strong>\u68c0\u7d22\u524d rerank \u6a21\u578b<\/strong> \u8fdb\u4e00\u6b65\u63d0\u5347\u6392\u5e8f\u7cbe\u5ea6\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u6027\u80fd\u8c03\u4f18<\/h2>\n<p>Dify RAG \u7cfb\u7edf\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5ba2\u670d\u673a\u5668\u4eba\u3001\u5185\u90e8\u77e5\u8bc6\u5e93\u3001\u667a\u80fd\u6587\u6863\u5206\u6790\u7b49\u573a\u666f\u3002\u4ee5\u4e0b\u4e3a\u5173\u952e\u8c03\u4f18\u53c2\u6570\uff1a<\/p>\n<ul>\n<li><strong>Top-K \u4e0e\u76f8\u4f3c\u5ea6\u9608\u503c<\/strong>\uff1a\u5efa\u8bae\u521d\u59cb K=5\uff0c\u9608\u503c 0.7\uff0c\u6839\u636e\u6d4b\u8bd5\u7ed3\u679c\u5fae\u8c03\u3002<\/li>\n<li><strong>Embedding \u6a21\u578b<\/strong>\uff1a\u5f00\u6e90\u6a21\u578b\u63a8\u8350 bge-large-zh\uff0c\u5546\u4e1a\u573a\u666f\u53ef\u7528 Ada-002\u3002<\/li>\n<li><strong>\u5206\u5757\u6e05\u6d17<\/strong>\uff1a\u53bb\u9664\u6362\u884c\u7b26\u3001\u7279\u6b8a\u5b57\u7b26\uff0c\u51cf\u5c11\u566a\u58f0\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5408\u7406\u9009\u62e9\u5411\u91cf\u6570\u636e\u5e93\u4e0e\u5206\u5757\u7b56\u7565\uff0cDify \u53ef\u5c06 RAG \u7cfb\u7edf\u7684\u51c6\u786e\u7387\u63d0\u5347\u81f3 90% \u4ee5\u4e0a\uff0c\u663e\u8457\u964d\u4f4e LLM \u5e7b\u89c9\u98ce\u9669\u3002\u7acb\u5373\u8bbf\u95ee <a href=\"https:\/\/dify.ai\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a> \u5f00\u59cb\u642d\u5efa\u60a8\u7684\u667a\u80fd\u95ee\u7b54\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6784\u5efa\u4f01\u4e1a\u7ea7\u667a\u80fd\u95ee\u7b54\u5e94\u7528\u65f6\uff0cDify \u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90 RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u7cfb\u7edf\uff0c\u51ed\u501f\u5176\u7075\u6d3b\u7684\u53ef\u89c6\u5316\u5de5\u4f5c\u6d41\u548c\u5f3a\u5927 [&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":[24731,9420,24732,24733,10298],"class_list":["post-21412","post","type-post","status-publish","format-standard","hentry","category-4","tag-difyrag","tag-9420","tag-24732","tag-24733","tag-10298"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21412","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=21412"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21412\/revisions"}],"predecessor-version":[{"id":21413,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/21412\/revisions\/21413"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}