diff --git a/src/typings/api.d.ts b/src/typings/api.d.ts
index 5a8e2552..6b6633df 100644
--- a/src/typings/api.d.ts
+++ b/src/typings/api.d.ts
@@ -47,41 +47,4 @@ declare namespace Api {
       status: EnableStatus | null;
     } & T;
   }
-
-  /**
-   * namespace Auth
-   *
-   * backend api module: "auth"
-   */
-  namespace Auth {
-    interface LoginToken {
-      token: string;
-      refreshToken: string;
-    }
-
-    interface UserInfo {
-      userId: string;
-      userName: string;
-      roles: string[];
-      buttons: string[];
-    }
-  }
-
-  /**
-   * namespace Route
-   *
-   * backend api module: "route"
-   */
-  namespace Route {
-    type ElegantConstRoute = import('@elegant-router/types').ElegantConstRoute;
-
-    interface MenuRoute extends ElegantConstRoute {
-      id: string;
-    }
-
-    interface UserRoute {
-      routes: MenuRoute[];
-      home: import('@elegant-router/types').LastLevelRouteKey;
-    }
-  }
 }
diff --git a/src/typings/api/auth.d.ts b/src/typings/api/auth.d.ts
new file mode 100644
index 00000000..1ff174b0
--- /dev/null
+++ b/src/typings/api/auth.d.ts
@@ -0,0 +1,20 @@
+declare namespace Api {
+  /**
+   * namespace Auth
+   *
+   * backend api module: "auth"
+   */
+  namespace Auth {
+    interface LoginToken {
+      token: string;
+      refreshToken: string;
+    }
+
+    interface UserInfo {
+      userId: string;
+      userName: string;
+      roles: string[];
+      buttons: string[];
+    }
+  }
+}
diff --git a/src/typings/api/route.d.ts b/src/typings/api/route.d.ts
new file mode 100644
index 00000000..edb755eb
--- /dev/null
+++ b/src/typings/api/route.d.ts
@@ -0,0 +1,19 @@
+declare namespace Api {
+  /**
+   * namespace Route
+   *
+   * backend api module: "route"
+   */
+  namespace Route {
+    type ElegantConstRoute = import('@elegant-router/types').ElegantConstRoute;
+
+    interface MenuRoute extends ElegantConstRoute {
+      id: string;
+    }
+
+    interface UserRoute {
+      routes: MenuRoute[];
+      home: import('@elegant-router/types').LastLevelRouteKey;
+    }
+  }
+}