diff --git a/yao/models/assistant.mod.yao b/yao/models/assistant.mod.yao
index 1022aee7..67c81499 100644
--- a/yao/models/assistant.mod.yao
+++ b/yao/models/assistant.mod.yao
@@ -178,47 +178,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_assistant_id",
-      "columns": ["assistant_id"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_type",
-      "columns": ["type"],
-      "type": "index"
-    },
-    {
-      "name": "idx_description",
-      "columns": ["description"],
-      "type": "index"
-    },
-    {
-      "name": "idx_sort",
-      "columns": ["sort"],
-      "type": "index"
-    },
-    {
-      "name": "idx_built_in",
-      "columns": ["built_in"],
-      "type": "index"
-    },
-    {
-      "name": "idx_readonly",
-      "columns": ["readonly"],
-      "type": "index"
-    },
-    {
-      "name": "idx_automated",
-      "columns": ["automated"],
-      "type": "index"
-    },
-    {
-      "name": "idx_mentionable",
-      "columns": ["mentionable"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/attachment.mod.yao b/yao/models/attachment.mod.yao
index e11adcf6..ff1622d2 100644
--- a/yao/models/attachment.mod.yao
+++ b/yao/models/attachment.mod.yao
@@ -141,62 +141,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_file_id",
-      "columns": ["file_id"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_uid",
-      "columns": ["uid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_guest",
-      "columns": ["guest"],
-      "type": "index"
-    },
-    {
-      "name": "idx_manager",
-      "columns": ["manager"],
-      "type": "index"
-    },
-    {
-      "name": "idx_content_type",
-      "columns": ["content_type"],
-      "type": "index"
-    },
-    {
-      "name": "idx_name",
-      "columns": ["name"],
-      "type": "index"
-    },
-    {
-      "name": "idx_public",
-      "columns": ["public"],
-      "type": "index"
-    },
-    {
-      "name": "idx_gzip",
-      "columns": ["gzip"],
-      "type": "index"
-    },
-    {
-      "name": "idx_bytes",
-      "columns": ["bytes"],
-      "type": "index"
-    },
-    {
-      "name": "idx_collection_id",
-      "columns": ["collection_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_status",
-      "columns": ["status"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/audit.mod.yao b/yao/models/audit.mod.yao
index 73e7788d..1bf901e3 100644
--- a/yao/models/audit.mod.yao
+++ b/yao/models/audit.mod.yao
@@ -214,76 +214,6 @@
   ],
   "relations": {},
   "indexes": [
-    {
-      "name": "idx_event_id",
-      "columns": ["event_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_operation",
-      "columns": ["operation"],
-      "type": "index"
-    },
-    {
-      "name": "idx_category",
-      "columns": ["category"],
-      "type": "index"
-    },
-    {
-      "name": "idx_severity",
-      "columns": ["severity"],
-      "type": "index"
-    },
-    {
-      "name": "idx_user_id",
-      "columns": ["user_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_session_id",
-      "columns": ["session_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_client_ip",
-      "columns": ["client_ip"],
-      "type": "index"
-    },
-    {
-      "name": "idx_target_resource",
-      "columns": ["target_resource"],
-      "type": "index"
-    },
-    {
-      "name": "idx_resource_type",
-      "columns": ["resource_type"],
-      "type": "index"
-    },
-    {
-      "name": "idx_source",
-      "columns": ["source"],
-      "type": "index"
-    },
-    {
-      "name": "idx_application",
-      "columns": ["application"],
-      "type": "index"
-    },
-    {
-      "name": "idx_success",
-      "columns": ["success"],
-      "type": "index"
-    },
-    {
-      "name": "idx_request_id",
-      "columns": ["request_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_trace_id",
-      "columns": ["trace_id"],
-      "type": "index"
-    },
     {
       "name": "idx_user_operation",
       "columns": ["user_id", "operation"],
diff --git a/yao/models/chat.mod.yao b/yao/models/chat.mod.yao
index d23212e8..0b30e307 100644
--- a/yao/models/chat.mod.yao
+++ b/yao/models/chat.mod.yao
@@ -59,27 +59,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_chat_id",
-      "columns": ["chat_id"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_assistant_id",
-      "columns": ["assistant_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_sid",
-      "columns": ["sid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_silent",
-      "columns": ["silent"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/config.mod.yao b/yao/models/config.mod.yao
index 248a7d68..8797bf7e 100644
--- a/yao/models/config.mod.yao
+++ b/yao/models/config.mod.yao
@@ -66,27 +66,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_key",
-      "columns": ["key"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_category",
-      "columns": ["category"],
-      "type": "index"
-    },
-    {
-      "name": "idx_type",
-      "columns": ["type"],
-      "type": "index"
-    },
-    {
-      "name": "idx_readonly",
-      "columns": ["readonly"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/mcp.mod.yao b/yao/models/dsl.mod.yao
similarity index 51%
rename from yao/models/mcp.mod.yao
rename to yao/models/dsl.mod.yao
index 19dd0728..7e761e4c 100644
--- a/yao/models/mcp.mod.yao
+++ b/yao/models/dsl.mod.yao
@@ -1,10 +1,10 @@
 {
-  "name": "mcp",
-  "label": "MCP",
-  "description": "MCP table for storing MCP client configuration",
+  "name": "dsl",
+  "label": "DSL",
+  "description": "DSL table for storing Yao DSL configurations",
   "table": {
-    "name": "mcp",
-    "comment": "MCP table"
+    "name": "dsl",
+    "comment": "DSL table"
   },
   "columns": [
     {
@@ -14,43 +14,93 @@
       "comment": "Unique identifier"
     },
     {
-      "name": "mcp_id",
+      "name": "dsl_id",
       "type": "string",
-      "label": "MCP ID",
-      "comment": "MCP client identifier",
+      "label": "DSL ID",
+      "comment": "DSL identifier",
       "length": 200,
       "nullable": false,
       "unique": true,
       "index": true
     },
     {
-      "name": "name",
+      "name": "type",
       "type": "string",
-      "label": "Name",
-      "comment": "MCP client name",
+      "label": "Type",
+      "comment": "DSL type (model, api, table, form, list, chart, dashboard, connector, store, schedule, flow, pipe, aigc, sui, etc.)",
+      "length": 50,
+      "nullable": false,
+      "index": true
+    },
+    {
+      "name": "label",
+      "type": "string",
+      "label": "Label",
+      "comment": "DSL display label",
       "length": 200,
       "nullable": false,
       "index": true
     },
+    {
+      "name": "path",
+      "type": "string",
+      "label": "Path",
+      "comment": "DSL file path",
+      "length": 500,
+      "nullable": true,
+      "index": true
+    },
+    {
+      "name": "sort",
+      "type": "integer",
+      "label": "Sort",
+      "comment": "Sort order for data sorting",
+      "nullable": true,
+      "default": 0,
+      "index": true
+    },
     {
       "name": "description",
       "type": "text",
       "label": "Description",
-      "comment": "MCP client description",
+      "comment": "DSL description",
+      "nullable": true
+    },
+    {
+      "name": "tags",
+      "type": "json",
+      "label": "Tags",
+      "comment": "DSL tags for categorization and filtering",
       "nullable": true
     },
     {
       "name": "dsl",
       "type": "json",
       "label": "DSL",
-      "comment": "MCP client DSL configuration in JSON format",
+      "comment": "DSL configuration in JSON format",
       "nullable": true
     },
+    {
+      "name": "mtime",
+      "type": "timestamp",
+      "label": "Modification Time",
+      "comment": "File modification time (for file-based DSL)",
+      "nullable": true,
+      "index": true
+    },
+    {
+      "name": "ctime",
+      "type": "timestamp",
+      "label": "Creation Time",
+      "comment": "File creation time (for file-based DSL)",
+      "nullable": true,
+      "index": true
+    },
     {
       "name": "readonly",
       "type": "boolean",
       "label": "Readonly",
-      "comment": "MCP client readonly status",
+      "comment": "DSL readonly status",
       "default": false,
       "index": true
     },
@@ -58,7 +108,7 @@
       "name": "built_in",
       "type": "boolean",
       "label": "Built In",
-      "comment": "Whether this is a built-in MCP client",
+      "comment": "Whether this is a built-in DSL",
       "default": false,
       "index": true
     },
@@ -98,37 +148,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_mcp_id",
-      "columns": ["mcp_id"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_name",
-      "columns": ["name"],
-      "type": "index"
-    },
-    {
-      "name": "idx_readonly",
-      "columns": ["readonly"],
-      "type": "index"
-    },
-    {
-      "name": "idx_built_in",
-      "columns": ["built_in"],
-      "type": "index"
-    },
-    {
-      "name": "idx_creator_id",
-      "columns": ["creator_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_updater_id",
-      "columns": ["updater_id"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/history.mod.yao b/yao/models/history.mod.yao
index dc36ab28..7252c3ad 100644
--- a/yao/models/history.mod.yao
+++ b/yao/models/history.mod.yao
@@ -121,42 +121,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_sid",
-      "columns": ["sid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_cid",
-      "columns": ["cid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_uid",
-      "columns": ["uid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_role",
-      "columns": ["role"],
-      "type": "index"
-    },
-    {
-      "name": "idx_assistant_id",
-      "columns": ["assistant_id"],
-      "type": "index"
-    },
-    {
-      "name": "idx_silent",
-      "columns": ["silent"],
-      "type": "index"
-    },
-    {
-      "name": "idx_expired_at",
-      "columns": ["expired_at"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }
diff --git a/yao/models/kb.mod.yao b/yao/models/kb.mod.yao
index 0d466a1c..5415eb93 100644
--- a/yao/models/kb.mod.yao
+++ b/yao/models/kb.mod.yao
@@ -106,47 +106,6 @@
     }
   ],
   "relations": {},
-  "indexes": [
-    {
-      "name": "idx_collection_id",
-      "columns": ["collection_id"],
-      "type": "unique"
-    },
-    {
-      "name": "idx_name",
-      "columns": ["name"],
-      "type": "index"
-    },
-    {
-      "name": "idx_description",
-      "columns": ["description"],
-      "type": "index"
-    },
-    {
-      "name": "idx_uid",
-      "columns": ["uid"],
-      "type": "index"
-    },
-    {
-      "name": "idx_public",
-      "columns": ["public"],
-      "type": "index"
-    },
-    {
-      "name": "idx_readonly",
-      "columns": ["readonly"],
-      "type": "index"
-    },
-    {
-      "name": "idx_system",
-      "columns": ["system"],
-      "type": "index"
-    },
-    {
-      "name": "idx_sort",
-      "columns": ["sort"],
-      "type": "index"
-    }
-  ],
+  "indexes": [],
   "option": { "timestamps": true, "soft_deletes": false }
 }