diff --git a/service/config/server.php b/service/config/server.php
index 1233072a..2265af09 100644
--- a/service/config/server.php
+++ b/service/config/server.php
@@ -27,5 +27,5 @@ return [
     'status_file' => runtime_path() . '/webman.status',
     'stdout_file' => runtime_path() . '/logs/stdout.log',
     'log_file' => runtime_path() . '/logs/workerman.log',
-    'max_package_size' => 10 * 1024 * 1024
+    'max_package_size' => 20 * 1024 * 1024
 ];