diff --git a/llmage/utils.py b/llmage/utils.py
index 78a8cb0..61db282 100644
--- a/llmage/utils.py
+++ b/llmage/utils.py
@@ -141,29 +141,37 @@ async def get_llmcatelogs():
 
 	return []
 
-async def get_llms_by_catelog():
+async def get_llms_by_catelog(catelogid=None):
 	env = ServerEnv()
 	async with get_sor_context(env, 'llmage') as sor:
 		today = curDateString()
-		sql = """select a.*, b.name as catelogname from llm a, llmcatelog b
-where a.llmcatelogid = b.id
-	and enabled_date <= ${today}$
-	and expired_date > ${today}$
-	order by a.llmcatelogid, a.id
-	"""
-		recs = await sor.sqlExe(sql, {'today': today})
+		# Join with llm_catalog_rel to support multiple catalogs per LLM
+		sql = """select a.*, b.name as catelogname, rel.llmcatelogid as catelog_id 
+			from llm a 
+			join llm_catalog_rel rel on a.id = rel.llmid 
+			join llmcatelog b on rel.llmcatelogid = b.id
+			where a.enabled_date <= ${today}$
+			and a.expired_date > ${today}$"""
+		params = {'today': today}
+		if catelogid:
+			sql += " and rel.llmcatelogid = ${catelogid}$"
+			params['catelogid'] = catelogid
+			
+		sql += " order by rel.llmcatelogid, a.id"
+		
+		recs = await sor.sqlExe(sql, params)
 		d = []
 		cid = ''
 		x = None
 		for r in recs:
-			if cid != r.llmcatelogid:
+			if cid != r.catelog_id:
 				x = {
-					'catelogid': r.llmcatelogid,
+					'catelogid': r.catelog_id,
 					'catelogname': r.catelogname,
 					'llms': [r]
 				}
 				d.append(x)
-				cid = r.llmcatelogid
+				cid = r.catelog_id
 			else:
 				x['llms'].append(r)
 		return d
diff --git a/models/llm.xlsx b/models/llm.xlsx
index 5b849ab..68bcc0d 100644
Binary files a/models/llm.xlsx and b/models/llm.xlsx differ
diff --git a/models/llm_catalog_rel.xlsx b/models/llm_catalog_rel.xlsx
new file mode 100644
index 0000000..35f3884
--- /dev/null
+++ b/models/llm_catalog_rel.xlsx
@@ -0,0 +1,11 @@
+fields:
+name|title|type|length:int|dec:int|nullable|default|comments
+id|id|str|32|None|None|None|None
+llmid|模型id|str|32|None|None|None|None
+llmcatelogid|模型类型id|str|32|None|None|None|None
+
+indexes:
+name|fields|unique
+idx_llm|llmid|None
+idx_catelog|llmcatelogid|None
+uq_llm_catelog|llmid,llmcatelogid|1
\ No newline at end of file
diff --git a/wwwroot/api/llm_catalog_rel_create.dspy b/wwwroot/api/llm_catalog_rel_create.dspy
new file mode 100644
index 0000000..a8351a8
--- /dev/null
+++ b/wwwroot/api/llm_catalog_rel_create.dspy
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+import json
+
+result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}
+
+try:
+    dbname = get_module_dbname('llmage')
+    llmid = params_kw.get('llmid', '')
+    catelogid = params_kw.get('llmcatelogid', '')
+    
+    if not llmid or not catelogid:
+        result['options'] = {'title': 'Error', 'message': '请选择模型和目录', 'type': 'error'}
+    else:
+        from appPublic.uniqueID import getID
+        new_id = getID()
+        
+        async with DBPools().sqlorContext(dbname) as sor:
+            # 检查是否已存在
+            check_sql = "select id from llm_catalog_rel where llmid = ${llmid}$ and llmcatelogid = ${catelogid}$"
+            exists = await sor.sqlExe(check_sql, {'llmid': llmid, 'catelogid': catelogid})
+            
+            if exists:
+                result['options'] = {'title': '提示', 'message': '该关联已存在', 'type': 'warning'}
+            else:
+                data = {'id': new_id, 'llmid': llmid, 'llmcatelogid': catelogid}
+                await sor.C('llm_catalog_rel', data)
+                result['options'] = {'title': 'Success', 'message': '添加成功', 'type': 'success'}
+
+except Exception as e:
+    result['options'] = {'title': 'Error', 'message': f'添加失败: {str(e)}', 'type': 'error'}
+
+return json.dumps(result, ensure_ascii=False)
diff --git a/wwwroot/api/llm_catalog_rel_delete.dspy b/wwwroot/api/llm_catalog_rel_delete.dspy
new file mode 100644
index 0000000..5a81d1d
--- /dev/null
+++ b/wwwroot/api/llm_catalog_rel_delete.dspy
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+import json
+
+result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}
+
+try:
+    dbname = get_module_dbname('llmage')
+    rel_id = params_kw.get('id', '')
+    
+    if not rel_id:
+        result['options'] = {'title': 'Error', 'message': '缺少ID参数', 'type': 'error'}
+    else:
+        async with DBPools().sqlorContext(dbname) as sor:
+            await sor.sqlExe("delete from llm_catalog_rel where id = ${id}$", {'id': rel_id})
+            result['options'] = {'title': 'Success', 'message': '删除成功', 'type': 'success'}
+
+except Exception as e:
+    result['options'] = {'title': 'Error', 'message': f'删除失败: {str(e)}', 'type': 'error'}
+
+return json.dumps(result, ensure_ascii=False)
diff --git a/wwwroot/api/llm_catalog_rel_list.dspy b/wwwroot/api/llm_catalog_rel_list.dspy
new file mode 100644
index 0000000..30ed9d5
--- /dev/null
+++ b/wwwroot/api/llm_catalog_rel_list.dspy
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+import json
+
+result = {'success': False, 'rows': [], 'total': 0}
+
+try:
+    dbname = get_module_dbname('llmage')
+    sql = """
+    select r.id, r.llmid, l.name as llm_name, r.llmcatelogid, c.name as catelog_name
+    from llm_catalog_rel r
+    join llm l on r.llmid = l.id
+    join llmcatelog c on r.llmcatelogid = c.id
+    order by l.name, c.name
+    """
+    
+    async with DBPools().sqlorContext(dbname) as sor:
+        rows = await sor.sqlExe(sql, {})
+        result['rows'] = [dict(r) for r in (rows or [])]
+        result['total'] = len(result['rows'])
+        result['success'] = True
+
+except Exception as e:
+    result['error'] = str(e)
+
+return json.dumps(result, ensure_ascii=False, default=str)
diff --git a/wwwroot/api/llm_catelog_options.dspy b/wwwroot/api/llm_catelog_options.dspy
new file mode 100644
index 0000000..7703a7c
--- /dev/null
+++ b/wwwroot/api/llm_catelog_options.dspy
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+import json
+
+result = {'success': False, 'data': {'llms': [], 'catelogs': []}}
+
+try:
+    dbname = get_module_dbname('llmage')
+    user_orgid = await get_userorgid()
+    
+    async with DBPools().sqlorContext(dbname) as sor:
+        # Get all active LLMs belonging to the user's organization
+        today = await get_business_date(sor)
+        llms_sql = """select id, name from llm 
+                      where enabled_date <= ${today}$ 
+                      and expired_date > ${today}$ 
+                      and ownerid = ${ownerid}$ 
+                      order by name"""
+        llms = await sor.sqlExe(llms_sql, {'today': today, 'ownerid': user_orgid})
+        result['data']['llms'] = [{'id': r['id'], 'text': r['name']} for r in (llms or [])]
+        
+        # Get all catalogs (assuming catalogs are global or filtered similarly if needed)
+        catelogs = await sor.sqlExe("select id, name from llmcatelog order by name", {})
+        result['data']['catelogs'] = [{'id': r['id'], 'text': r['name']} for r in (catelogs or [])]
+        
+        result['success'] = True
+
+except Exception as e:
+    result['error'] = str(e)
+
+return json.dumps(result, ensure_ascii=False, default=str)
diff --git a/wwwroot/get_type_llms.dspy b/wwwroot/get_type_llms.dspy
index b92c861..c368fc2 100644
--- a/wwwroot/get_type_llms.dspy
+++ b/wwwroot/get_type_llms.dspy
@@ -3,16 +3,16 @@ lt = '文生视频'
 if params_kw.type in ['文生视频', '参考生视频', '图生视频']:
 	lt = params_kw.type
 async with get_sor_context(request._run_ns, 'llmage') as sor:
-	sql = '''select a.*, e.input_fields from llm a, llmcatelog b, upapp c, uapi d, uapiio e
-where a.llmcatelogid = b.id 
-	and a.upappid = c.id
-	and c.apisetid = d.apisetid
-	and a.apiname = d.name
-	and d.ioid = e.id
+	sql = '''select a.*, e.input_fields from llm a 
+join llm_catalog_rel rel on a.id = rel.llmid
+join llmcatelog b on rel.llmcatelogid = b.id
+join upapp c on a.upappid = c.id
+join uapi d on c.apisetid = d.apisetid and a.apiname = d.name
+join uapiio e on d.ioid = e.id
+where b.name=${lt}$
 	and a.enabled_date <= ${biz_date}$
 	and ${biz_date}$ < a.expired_date
-	and ppid is not NULL
-	and b.name=${lt}$'''
+	and ppid is not NULL'''
 	biz_date = await get_business_date(sor)
 	recs = await sor.sqlExe(sql, {
 		'biz_date': biz_date,
diff --git a/wwwroot/list_catelog_models.dspy b/wwwroot/list_catelog_models.dspy
index e07f5f4..9365041 100644
--- a/wwwroot/list_catelog_models.dspy
+++ b/wwwroot/list_catelog_models.dspy
@@ -1,7 +1,9 @@
 dbname = get_module_dbname('llmage')
 db = DBPools()
 async with db.sqlorContext(dbname) as sor:
-	sql = """select * from llm where llmcatelogid = ${llmcatelogid}$ and id != ${llmid}$"""
+	sql = """select * from llm a
+join llm_catalog_rel rel on a.id = rel.llmid
+where rel.llmcatelogid = ${llmcatelogid}$ and a.id != ${llmid}$"""
 	ns = params_kw.copy()
 	recs = await sor.sqlExe(sql, ns)
 	for r in recs.get('rows', []):
diff --git a/wwwroot/list_paging_catelog_llms.dspy b/wwwroot/list_paging_catelog_llms.dspy
index 6298cbc..8c3f106 100644
--- a/wwwroot/list_paging_catelog_llms.dspy
+++ b/wwwroot/list_paging_catelog_llms.dspy
@@ -13,15 +13,15 @@ y.user_message,
 y.assisant_message
 from (
 select a.*, b.hfid, e.ioid, e.stream
-from llm a, llmcatelog b,upapp c, uapiset d, uapi e
-where a.llmcatelogid = b.id
-    and a.upappid = c.id
-    and c.apisetid = d.id
-    and e.apisetid = d.id
-    and a.apiname = e.name
+from llm a 
+join llm_catalog_rel rel on a.id = rel.llmid
+join llmcatelog b on rel.llmcatelogid = b.id
+join upapp c on a.upappid = c.id
+join uapiset d on c.apisetid = d.id
+join uapi e on e.apisetid = d.id and a.apiname = e.name
 ) x left join historyformat y on x.hfid = y.id
     left join uapiio z on x.ioid = z.id
-where llmcatelogid = ${llmcatelogid}$
+where rel.llmcatelogid = ${llmcatelogid}$
 	and x.id != ${llmid}$
 """
 	ns = params_kw.copy()
diff --git a/wwwroot/llm_catalog_rel_manage.ui b/wwwroot/llm_catalog_rel_manage.ui
new file mode 100644
index 0000000..bdbd36e
--- /dev/null
+++ b/wwwroot/llm_catalog_rel_manage.ui
@@ -0,0 +1,145 @@
+{
+  "widgettype": "VBox",
+  "options": {
+    "width": "100%",
+    "height": "100%",
+    "spacing": 16
+  },
+  "subwidgets": [
+    {
+      "widgettype": "Title2",
+      "options": {
+        "text": "LLM 目录关联管理",
+        "halign": "left"
+      }
+    },
+    {
+      "widgettype": "VBox",
+      "options": {
+        "width": "calc(100% - 40px)",
+        "margin": "0 20px",
+        "padding": "16px",
+        "bgcolor": "#f5f5f5",
+        "spacing": 12
+      },
+      "subwidgets": [
+        {
+          "widgettype": "Text",
+          "options": {
+            "text": "添加新关联",
+            "fontSize": "16px",
+            "fontWeight": "bold"
+          }
+        },
+        {
+          "widgettype": "Form",
+          "id": "add_form",
+          "options": {
+            "layout": "horizontal",
+            "cols": 3,
+            "fields": [
+              {
+                "name": "llmid",
+                "label": "选择模型",
+                "uitype": "select",
+                "dataurl": "{{entire_url('./api/llm_catelog_options.dspy')}}",
+                "data_field": "llms",
+                "placeholder": "请选择模型"
+              },
+              {
+                "name": "llmcatelogid",
+                "label": "选择目录",
+                "uitype": "select",
+                "dataurl": "{{entire_url('./api/llm_catelog_options.dspy')}}",
+                "data_field": "catelogs",
+                "placeholder": "请选择目录"
+              }
+            ],
+            "buttons": [
+              {
+                "name": "add_btn",
+                "label": "添加关联",
+                "variant": "primary"
+              }
+            ]
+          },
+          "binds": [
+            {
+              "wid": "add_btn",
+              "event": "click",
+              "actiontype": "urlwidget",
+              "target": "PopupWindow",
+              "popup_options": {"archor": "cc", "width": "30%", "height": "20%"},
+              "options": {
+                "url": "{{entire_url('./api/llm_catalog_rel_create.dspy')}}",
+                "params": {
+                  "llmid": "$[add_form.llmid]$",
+                  "llmcatelogid": "$[add_form.llmcatelogid]$"
+                }
+              }
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "widgettype": "VBox",
+      "options": {
+        "width": "calc(100% - 40px)",
+        "margin": "0 20px",
+        "spacing": 12
+      },
+      "subwidgets": [
+        {
+          "widgettype": "Text",
+          "options": {
+            "text": "当前关联列表",
+            "fontSize": "16px",
+            "fontWeight": "bold"
+          }
+        },
+        {
+          "widgettype": "Tabular",
+          "id": "rel_table",
+          "options": {
+            "width": "100%",
+            "height": "400px",
+            "data_url": "{{entire_url('./api/llm_catalog_rel_list.dspy')}}",
+            "data_method": "GET",
+            "page_rows": 20,
+            "row_options": {
+              "fields": [
+                {"name": "llm_name", "title": "模型名称", "width": 200},
+                {"name": "catelog_name", "title": "目录名称", "width": 150},
+                {
+                  "name": "actions",
+                  "title": "操作",
+                  "width": 100,
+                  "uitype": "button",
+                  "data": [
+                    {"text": "删除", "event": "delete_rel"}
+                  ]
+                }
+              ]
+            }
+          },
+          "binds": [
+            {
+              "wid": "self",
+              "event": "delete_rel",
+              "actiontype": "urlwidget",
+              "target": "PopupWindow",
+              "popup_options": {"archor": "cc", "width": "30%", "height": "20%"},
+              "options": {
+                "url": "{{entire_url('./api/llm_catalog_rel_delete.dspy')}}",
+                "params": {
+                  "id": "$[event.params.id]$"
+                }
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/wwwroot/llm_dialog.ui b/wwwroot/llm_dialog.ui
index c2efdcd..fc9e007 100644
--- a/wwwroot/llm_dialog.ui
+++ b/wwwroot/llm_dialog.ui
@@ -22,7 +22,6 @@
 		"models":[
 			{
 				"llmid":"{{llm.id}}",
-				"llmcatelogid":"{{llm.llmcatelogid}}",
 				"response_mode": "{{llm.stream}}",
 				"icon":"{{entire_url('/appbase/show_icon.dspy')}}?id={{llm.iconid}}",
 				"url":"{{entire_url('/llmage/llminference.dspy')}}",
diff --git a/wwwroot/t2t/index.dspy b/wwwroot/t2t/index.dspy
index 428d7e0..8adc2fd 100644
--- a/wwwroot/t2t/index.dspy
+++ b/wwwroot/t2t/index.dspy
@@ -17,10 +17,11 @@ if not params_kw.prompt:
 	return json_response(d, status=400)
 env = request._run_ns
 async with get_sor_context(env, 'llmage') as sor:
-	sql = """select a.* from llm a, llmcatelog b 
-where a.llmcatelogid=b.id
-	and a.model=${model}$
-	and b.name = ${lctype}$"""
+	sql = """select a.* from llm a 
+join llm_catalog_rel rel on a.id = rel.llmid
+join llmcatelog b on rel.llmcatelogid = b.id
+where b.name = ${lctype}$
+	and a.model=${model}$"""
 	recs = await sor.sqlExe(sql, {
 		'lctype': lctype, 
 		'model': params_kw.model or 'qwen3-max'
diff --git a/wwwroot/v1/chat/completions/index.dspy b/wwwroot/v1/chat/completions/index.dspy
index e806caa..d247ca0 100644
--- a/wwwroot/v1/chat/completions/index.dspy
+++ b/wwwroot/v1/chat/completions/index.dspy
@@ -30,10 +30,11 @@ if not params_kw.prompt and not params_kw.messages:
 	return json_response(d, status=400)
 env = request._run_ns
 async with get_sor_context(env, 'llmage') as sor:
-	sql = """select a.* from llm a, llmcatelog b
-where a.llmcatelogid=b.id
-	and a.model=${model}$
-	and b.name = ${lctype}$"""
+	sql = """select a.* from llm a 
+join llm_catalog_rel rel on a.id = rel.llmid
+join llmcatelog b on rel.llmcatelogid = b.id
+where b.name = ${lctype}$
+	and a.model=${model}$"""
 	recs = await sor.sqlExe(sql, {
 		'lctype': lctype,
 		'model': params_kw.model or 'qwen3-max'