diff --git a/web/pages/KnowledgeBase.tsx b/web/pages/KnowledgeBase.tsx
index 9fa3596..9bad711 100644
--- a/web/pages/KnowledgeBase.tsx
+++ b/web/pages/KnowledgeBase.tsx
@@ -1,8 +1,8 @@
 import React, { useEffect, useState, useRef } from 'react';
-import { Search, Plus, FileText, Upload, ArrowLeft, CloudUpload, File as FileIcon, X, Pencil, Trash2, Settings2 } from 'lucide-react';
+import { Search, Plus, FileText, Upload, ArrowLeft, CloudUpload, File as FileIcon, X, Pencil, Trash2, Settings2, MoreVertical } from 'lucide-react';
 import { Button, Input, TableHeader, TableRow, TableHead, TableCell, Card, Dialog, Badge } from '../components/UI';
 import { KnowledgeBase } from '../types';
-import { createKnowledgeBase, deleteKnowledgeBase, deleteKnowledgeDocument, fetchKnowledgeBases, updateKnowledgeBase, uploadKnowledgeDocument } from '../services/backendApi';
+import { createKnowledgeBase, deleteKnowledgeBase, deleteKnowledgeDocument, fetchKnowledgeBases, fetchLLMModels, updateKnowledgeBase, uploadKnowledgeDocument } from '../services/backendApi';
 
 const EMBEDDING_OPTIONS = [
   'text-embedding-3-small',
@@ -19,6 +19,8 @@ export const KnowledgeBasePage: React.FC = () => {
   const [isKbModalOpen, setIsKbModalOpen] = useState(false);
   const [editingKb, setEditingKb] = useState<KnowledgeBase | null>(null);
   const [isLoading, setIsLoading] = useState(true);
+  const [embeddingOptions, setEmbeddingOptions] = useState<string[]>(EMBEDDING_OPTIONS);
+  const [openMenuKbId, setOpenMenuKbId] = useState<string | null>(null);
 
   const [kbName, setKbName] = useState('');
   const [kbDescription, setKbDescription] = useState('');
@@ -48,6 +50,28 @@ export const KnowledgeBasePage: React.FC = () => {
 
   useEffect(() => {
     refreshKnowledgeBases();
+    const loadEmbeddingModels = async () => {
+      try {
+        const models = await fetchLLMModels();
+        const fromDb = models
+          .filter((m) => m.type === 'embedding')
+          .map((m) => (m.modelName || m.name || '').trim())
+          .filter(Boolean);
+        const merged = Array.from(new Set([...fromDb, ...EMBEDDING_OPTIONS]));
+        if (merged.length > 0) {
+          setEmbeddingOptions(merged);
+        }
+      } catch {
+        setEmbeddingOptions(EMBEDDING_OPTIONS);
+      }
+    };
+    loadEmbeddingModels();
+  }, []);
+
+  useEffect(() => {
+    const onDocClick = () => setOpenMenuKbId(null);
+    document.addEventListener('click', onDocClick);
+    return () => document.removeEventListener('click', onDocClick);
   }, []);
 
   const handleSelect = (kb: KnowledgeBase) => {
@@ -207,45 +231,57 @@ export const KnowledgeBasePage: React.FC = () => {
           <Card
             key={kb.id}
             className="p-6 hover:border-primary/50 transition-colors cursor-pointer group relative"
+            onClick={() => openEditKb(kb)}
           >
-            <div className="absolute top-3 right-3 flex items-center gap-1 z-10">
+            <div className="absolute top-3 right-3 z-20">
               <Button
                 variant="ghost"
                 size="icon"
+                title="更多操作"
                 onClick={(e) => {
                   e.stopPropagation();
-                  openEditKb(kb);
+                  setOpenMenuKbId((prev) => (prev === kb.id ? null : kb.id));
                 }}
-                title="编辑知识库"
               >
-                <Pencil className="h-4 w-4" />
+                <MoreVertical className="h-4 w-4" />
               </Button>
-              <Button
-                variant="ghost"
-                size="icon"
-                className="text-destructive hover:text-destructive"
-                onClick={(e) => {
-                  e.stopPropagation();
-                  handleDeleteKb(kb);
-                }}
-                title="删除知识库"
-              >
-                <Trash2 className="h-4 w-4" />
-              </Button>
-            </div>
-            <div onClick={() => handleSelect(kb)}>
-              <div className="flex items-start justify-between mb-4">
-                <div className="p-2 bg-primary/10 rounded-lg text-primary">
-                  <FileText className="h-6 w-6" />
+              {openMenuKbId === kb.id && (
+                <div
+                  className="absolute right-0 mt-1 w-36 rounded-md border border-white/10 bg-card/95 backdrop-blur-md shadow-lg overflow-hidden"
+                  onClick={(e) => e.stopPropagation()}
+                >
+                  <button
+                    className="w-full text-left px-3 py-2 text-sm hover:bg-white/10 text-foreground"
+                    onClick={() => {
+                      setOpenMenuKbId(null);
+                      handleSelect(kb);
+                    }}
+                  >
+                    管理文档
+                  </button>
+                  <button
+                    className="w-full text-left px-3 py-2 text-sm hover:bg-white/10 text-destructive"
+                    onClick={() => {
+                      setOpenMenuKbId(null);
+                      handleDeleteKb(kb);
+                    }}
+                  >
+                    删除
+                  </button>
                 </div>
-                <Badge variant="outline">{kb.embeddingModel || 'embedding'}</Badge>
-              </div>
-              <h3 className="text-lg font-semibold group-hover:text-primary transition-colors text-white">{kb.name}</h3>
-              <div className="mt-4 space-y-1 text-sm text-muted-foreground">
-                <p>文档数量: {kb.documents.length}</p>
-                <p>分片数量: {kb.chunkSize ?? 500}/{kb.chunkOverlap ?? 50}</p>
-                <p>创建时间: {kb.createdAt}</p>
+              )}
+            </div>
+            <div className="flex items-start justify-between mb-4">
+              <div className="p-2 bg-primary/10 rounded-lg text-primary">
+                <FileText className="h-6 w-6" />
               </div>
+              <Badge variant="outline">{kb.embeddingModel || 'embedding'}</Badge>
+            </div>
+            <h3 className="text-lg font-semibold group-hover:text-primary transition-colors text-white">{kb.name}</h3>
+            <div className="mt-4 space-y-1 text-sm text-muted-foreground">
+              <p>文档数量: {kb.documents.length}</p>
+              <p>分片数量: {kb.chunkSize ?? 500}/{kb.chunkOverlap ?? 50}</p>
+              <p>创建时间: {kb.createdAt}</p>
             </div>
           </Card>
         ))}
@@ -282,6 +318,7 @@ export const KnowledgeBasePage: React.FC = () => {
         setKbChunkSize={setKbChunkSize}
         kbChunkOverlap={kbChunkOverlap}
         setKbChunkOverlap={setKbChunkOverlap}
+        embeddingOptions={embeddingOptions}
       />
     </div>
   );
@@ -303,6 +340,7 @@ const KnowledgeBaseModal: React.FC<{
   setKbChunkSize: (v: number) => void;
   kbChunkOverlap: number;
   setKbChunkOverlap: (v: number) => void;
+  embeddingOptions: string[];
 }> = ({
   isOpen,
   onClose,
@@ -319,6 +357,7 @@ const KnowledgeBaseModal: React.FC<{
   setKbChunkSize,
   kbChunkOverlap,
   setKbChunkOverlap,
+  embeddingOptions,
 }) => (
   <Dialog
     isOpen={isOpen}
@@ -361,7 +400,7 @@ const KnowledgeBaseModal: React.FC<{
             value={kbEmbeddingModel}
             onChange={(e) => setKbEmbeddingModel(e.target.value)}
           >
-            {EMBEDDING_OPTIONS.map((m) => (
+            {embeddingOptions.map((m) => (
               <option key={m} value={m}>{m}</option>
             ))}
           </select>