diff --git a/core/core-frontend/config/base.ts b/core/core-frontend/config/base.ts
index ddb203e13c..61513f83d1 100644
--- a/core/core-frontend/config/base.ts
+++ b/core/core-frontend/config/base.ts
@@ -26,6 +26,6 @@ export default {
         }
       }
     },
-    sourcemap: true
+    sourcemap: false
   }
 }
diff --git a/core/core-frontend/src/pages/panel/main.ts b/core/core-frontend/src/pages/panel/main.ts
index 8d1a392fb4..9ee646d83a 100644
--- a/core/core-frontend/src/pages/panel/main.ts
+++ b/core/core-frontend/src/pages/panel/main.ts
@@ -36,7 +36,8 @@ const getPrefix = (): string => {
         url = ele.src
       }
       if (url.includes(suffix)) {
-        prefix = new URL(url).origin
+        const { origin, pathname } = new URL(url)
+        prefix = `${origin}${pathname.slice(0, pathname.length - 1)}`
         return true
       }
     }