fix swagger doc

Author: lunny

templates/swagger/v1_json.tmpl

@@ -21,7 +21,7 @@
     },
     "version": "1.1.1"
   },
-  "basePath": "/api/v1",
+  "basePath": "{{AppSubUrl}}/api/v1",
   "paths": {
     "/admin/users": {
       "post": {