diff --git a/composer.json b/composer.json
index 9598a7245..535f5a86b 100644
--- a/composer.json
+++ b/composer.json
@@ -85,7 +85,7 @@
   },
   "scripts": {
     "post-autoload-dump": [
-      "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
+      "@php -r \"file_exists('.env.example') && !file_exists('.env') && copy('.env.example', '.env');\""
     ]
   }
 }
diff --git a/plugin/think-plugs-static/stc/.env.example b/plugin/think-plugs-static/stc/.env.example
index fb98fbfcd..21f0116f2 100644
--- a/plugin/think-plugs-static/stc/.env.example
+++ b/plugin/think-plugs-static/stc/.env.example
@@ -8,6 +8,6 @@ prefix=
 
 [redis]
 host=127.0.0.1
-password=""
 port=6379
+password=
 select=0