diff --git a/internal/waf/utils/consts.go b/internal/waf/utils/consts.go
index a291048..08be5cb 100644
--- a/internal/waf/utils/consts.go
+++ b/internal/waf/utils/consts.go
@@ -5,5 +5,5 @@ package utils
 import "github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 
 const (
-	MaxBodySize = 4 * sizes.M
+	MaxBodySize = 2 * sizes.M
 )