diff --git a/wwwroot/rag/kb_buttons.dspy b/wwwroot/rag/kb_buttons.dspy
new file mode 100644
index 0000000..fb9b87a
--- /dev/null
+++ b/wwwroot/rag/kb_buttons.dspy
@@ -0,0 +1,18 @@
+"""返回知识库选择按钮列表"""
+env = request._run_ns
+userorgid = await env.get_userorgid()
+async with get_sor_context(env, 'rag') as sor:
+    sql = "SELECT id, name FROM knowledge_bases WHERE org_id IS NULL OR org_id=${org_id}$ ORDER BY name"
+    recs = await sor.sqlExe(sql, {"org_id": userorgid})
+
+buttons = []
+for r in recs:
+    buttons.append({
+        "widgettype": "Text",
+        "options": {"text": str(r.name), "cfontsize": 12, "padding": "4px 12px",
+                    "bgcolor": "#eee", "color": "#333", "borderRadius": "4px", "css": "clickable kb-btn"},
+        "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
+            "script": f"var f=document.querySelector('[name=kb_id]');if(f)f.value='{r.id}';var btns=document.querySelectorAll('.kb-btn');for(var i=0;i<btns.length;i++){{btns[i].style.background='#eee';btns[i].style.color='#333'}}this.dom_element.style.background='#3b82f6';this.dom_element.style.color='#fff';var all=document.getElementById('kb_btn_all');if(all){{all.style.background='#eee';all.style.color='#333'}}"}]
+    })
+
+{"widgettype": "HBox", "options": {"spacing": "8px", "width": "100%", "wrap": true}, "subwidgets": buttons}
diff --git a/wwwroot/rag/search.ui b/wwwroot/rag/search.ui
new file mode 100644
index 0000000..8e3cf36
--- /dev/null
+++ b/wwwroot/rag/search.ui
@@ -0,0 +1,75 @@
+{
+    "widgettype": "VBox",
+    "id": "rag_search_page",
+    "options": {"width": "100%", "padding": "24px", "spacing": "16px"},
+    "subwidgets": [
+        {
+            "widgettype": "Text",
+            "options": {"text": "知识库检索", "cfontsize": 24, "fontWeight": "bold"}
+        },
+        {
+            "widgettype": "Text",
+            "options": {"text": "文本搜索，自动向量化 + 重排序，支持全库或指定知识库", "cfontsize": 13, "color": "#888"}
+        },
+        {
+            "widgettype": "Form",
+            "id": "search_form",
+            "options": {
+                "submit_url": "/rag/search_result.dspy",
+                "fields": [
+                    {"name": "query", "label": "搜索", "uitype": "Text", "required": false, "placeholder": "输入关键词检索知识库..."},
+                    {"name": "kb_id", "label": "kb_id", "uitype": "Text", "required": false, "hidden": true, "value": ""},
+                    {"name": "top_k", "label": "top_k", "uitype": "Text", "required": false, "hidden": true, "value": "10"},
+                    {"name": "recall_k", "label": "recall_k", "uitype": "Text", "required": false, "hidden": true, "value": "30"}
+                ]
+            },
+            "subwidgets": [
+                {
+                    "widgettype": "Text",
+                    "options": {"text": "知识库：", "cfontsize": 13, "color": "#666", "padding": "4px 0 8px 0"}
+                },
+                {
+                    "widgettype": "HBox",
+                    "id": "kb_selector_row",
+                    "options": {"spacing": "8px", "width": "100%", "wrap": true},
+                    "subwidgets": [
+                        {
+                            "widgettype": "Text",
+                            "id": "kb_btn_all",
+                            "options": {"text": "全部知识库", "cfontsize": 12, "padding": "4px 12px", "bgcolor": "#3b82f6", "color": "#fff", "borderRadius": "4px", "css": "clickable"},
+                            "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
+                                "script": "var f=document.querySelector('[name=kb_id]');if(f)f.value='';var btns=document.querySelectorAll('.kb-btn');for(var i=0;i<btns.length;i++){btns[i].style.background='#eee';btns[i].style.color='#333'}this.dom_element.style.background='#3b82f6';this.dom_element.style.color='#fff'"}]
+                        }
+                    ]
+                },
+                {
+                    "widgettype": "HBox",
+                    "id": "kb_list_area",
+                    "options": {"spacing": "8px", "width": "100%", "wrap": true},
+                    "binds": [{"wid": "self", "event": "rendered", "actiontype": "urlwidget", "target": "self", "mode": "replace",
+                        "options": {"url": "/rag/kb_buttons.dspy"}}]
+                },
+                {"widgettype": "Text", "options": {"text": " ", "cheight": 0.3}},
+                {
+                    "widgettype": "HBox",
+                    "options": {"spacing": "12px"},
+                    "subwidgets": [
+                        {"widgettype": "Button", "id": "search_submit_btn", "options": {"label": "搜索", "bgcolor": "#3b82f6", "color": "#fff", "borderRadius": "6px", "padding": "8px 24px", "cfontsize": 14}}
+                    ]
+                }
+            ],
+            "binds": [
+                {"wid": "self", "event": "submited", "actiontype": "urlwidget", "target": "root.search_results_container", "mode": "replace",
+                 "options": {"url": "/rag/search_result.dspy"}}
+            ]
+        },
+        {
+            "widgettype": "VBox",
+            "id": "search_results_container",
+            "options": {"width": "100%", "spacing": "12px"},
+            "subwidgets": [
+                {"widgettype": "Text", "options": {"text": "输入关键词搜索知识库内容", "cfontsize": 14, "color": "#aaa", "halign": "center", "padding": "40px"}}
+            ]
+        }
+    ]
+}
diff --git a/wwwroot/rag/search_result.dspy b/wwwroot/rag/search_result.dspy
new file mode 100644
index 0000000..770b586
--- /dev/null
+++ b/wwwroot/rag/search_result.dspy
@@ -0,0 +1,106 @@
+"""搜索 DSPY — 接收 Form 参数，返回搜索结果 Widget"""
+query = (params_kw.get("query") or "").strip()
+kb_id = (params_kw.get("kb_id") or "").strip()
+top_k = int(params_kw.get("top_k") or 10)
+recall_k = int(params_kw.get("recall_k") or top_k * 3)
+env = request._run_ns
+userorgid = await env.get_userorgid()
+
+# Resolve KBs
+async with get_sor_context(env, 'rag') as sor:
+    if kb_id:
+        recs = await sor.R("knowledge_bases", {"id": kb_id})
+        kb_ids = [r.id for r in recs]
+    else:
+        sql = "SELECT id FROM knowledge_bases WHERE org_id IS NULL OR org_id=${org_id}$"
+        recs = await sor.sqlExe(sql, {"org_id": userorgid})
+        kb_ids = [r.id for r in recs]
+
+if not kb_ids:
+    result = {"widgettype": "Text", "options": {"text": "没有可搜索的知识库", "color": "#aaa", "halign": "center", "padding": "40px", "cfontsize": 14}}
+
+elif not query:
+    result = {"widgettype": "Text", "options": {"text": "请输入搜索关键词", "color": "#aaa", "halign": "center", "padding": "40px", "cfontsize": 14}}
+
+else:
+    # Build embedding
+    from rag.init import _call_uapi
+    try:
+        emb_resp = await _call_uapi("rag-embedding", "embed", {"texts": [query], "model": "CLIP-ViT-H-14"})
+        query_vec = (emb_resp.get("embeddings", []) or [None])[0] if isinstance(emb_resp, dict) else None
+    except Exception:
+        query_vec = None
+
+    if not query_vec:
+        result = {"widgettype": "Text", "options": {"text": "向量化失败，请稍后重试", "color": "#e53e3e", "halign": "center", "padding": "40px", "cfontsize": 14}}
+    else:
+        # Multi-KB VDB search
+        all_hits = []
+        for kid in kb_ids:
+            try:
+                vdb_resp = await _call_uapi("rag-vdb", "search", {"collection": kid, "vector": query_vec, "topK": recall_k})
+                data = vdb_resp
+                if isinstance(data, dict):
+                    for key in ("results", "data", "hits", "rows"):
+                        if isinstance(data.get(key), list):
+                            data = data[key]
+                            break
+                if isinstance(data, list):
+                    for item in data:
+                        if isinstance(item, dict):
+                            all_hits.append({"id": item.get("id", ""), "text": item.get("text", item.get("content", "")),
+                                             "score": item.get("score", item.get("distance", 0)), "kb_id": kid})
+            except Exception:
+                pass
+
+        # Deduplicate + sort
+        seen = set()
+        unique_hits = []
+        for h in sorted(all_hits, key=lambda x: x.get("score", 0), reverse=True):
+            hid = h.get("id", h.get("text", ""))
+            if hid not in seen:
+                seen.add(hid)
+                unique_hits.append(h)
+
+        # Rerank
+        if query and unique_hits:
+            docs = [h.get("text", "")[:500] for h in unique_hits[:recall_k]]
+            try:
+                rr = await _call_uapi("rag-reranker", "rerank", {"query": query, "documents": docs})
+                scores = rr.get("scores", rr.get("results", [])) if isinstance(rr, dict) else []
+                if isinstance(scores, list) and len(scores) == len(docs):
+                    for i, s in enumerate(scores):
+                        unique_hits[i]["rerank_score"] = s.get("score", 0) if isinstance(s, dict) else float(s or 0)
+                    unique_hits.sort(key=lambda x: x.get("rerank_score", 0), reverse=True)
+            except Exception:
+                pass
+
+        final = unique_hits[:top_k]
+
+        if not final:
+            result = {"widgettype": "Text", "options": {"text": "未找到相关结果", "color": "#aaa", "halign": "center", "padding": "40px", "cfontsize": 14}}
+        else:
+            cards = []
+            for i, h in enumerate(final):
+                text = h.get("text", "")[:300]
+                score = h.get("rerank_score", h.get("score", 0))
+                score_pct = f"{min(abs(float(score)) * 100, 100):.0f}%" if score else ""
+                cards.append({
+                    "widgettype": "VBox",
+                    "options": {"cwidth": 100, "padding": "16px", "bgcolor": "#f8fafc", "border": "1px solid #e2e8f0", "borderRadius": "8px", "spacing": "8px"},
+                    "subwidgets": [
+                        {"widgettype": "HBox", "options": {"spacing": "8px"}, "subwidgets": [
+                            {"widgettype": "Text", "options": {"text": f"#{i+1}", "cfontsize": 12, "color": "#3b82f6", "fontWeight": "bold", "padding": "2px 8px", "bgcolor": "#eff6ff", "borderRadius": "4px"}},
+                            {"widgettype": "Text", "options": {"text": f"相关度: {score_pct}", "cfontsize": 11, "color": "#888"}},
+                            {"widgettype": "Text", "options": {"text": f"KB: {h.get('kb_id','')[:12]}", "cfontsize": 11, "color": "#aaa"}}
+                        ]},
+                        {"widgettype": "Text", "options": {"text": text, "cfontsize": 13, "color": "#333", "lineHeight": 1.6}},
+                        {"widgettype": "Text", "options": {"text": h.get("id", "")[:40], "cfontsize": 10, "color": "#bbb"}}
+                    ]
+                })
+            result = {"widgettype": "VBox", "options": {"width": "100%", "spacing": "12px"}, "subwidgets": [
+                {"widgettype": "Text", "options": {"text": f"找到 {len(final)} 条结果 (共召回 {len(all_hits)} 条)", "cfontsize": 13, "color": "#666", "padding": "0 0 8px 0"}},
+                *cards
+            ]}
+
+result