diff --git a/internal/nodes/http_writer.go b/internal/nodes/http_writer.go
index ba06d6d..aa9f818 100644
--- a/internal/nodes/http_writer.go
+++ b/internal/nodes/http_writer.go
@@ -12,6 +12,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/readers"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/writers"
 	_ "github.com/biessek/golang-ico"
 	"github.com/iwind/TeaGo/lists"
@@ -448,6 +449,16 @@ func (this *HTTPWriter) PrepareWebP(resp *http.Response, size int64) {
 		return
 	}
 
+	// 限制最小和最大尺寸
+	// TODO 需要可以在集群里WebP选项里设置
+	// TODO 需要将reader修改为LimitReader
+	if resp.ContentLength == 0 {
+		return
+	}
+	if resp.ContentLength > 128*sizes.M {
+		return
+	}
+
 	var contentType = this.GetHeader("Content-Type")
 
 	if this.req.web != nil &&