diff --git a/pgserver/composer.json b/pgserver/composer.json
index 0ab4572..0e2d324 100644
--- a/pgserver/composer.json
+++ b/pgserver/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=7.4.0",
+        "php": ">=7.3.0",
         "topthink/framework": "5.1.*",
         "aliyuncs/oss-sdk-php": "^2.3",
         "qcloud/cos-sdk-v5": "^2.0",