diff --git a/config/config.go b/config/config.go
index 3a27dd0..bf9e30f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -19,7 +19,7 @@ type ServerConfig struct {
 	Port      int    `toml:"port"`
 	Host      string `toml:"host"`
 	SizeLimit int    `toml:"sizeLimit"`
-	EnableH2C bool   `toml:"enableH2C"`
+	EnableH2C string `toml:"enableH2C"`
 }
 
 type PagesConfig struct {
diff --git a/config/config.toml b/config/config.toml
index d06ce47..ce83e2a 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -2,7 +2,7 @@
 host = "127.0.0.1" 
 port = 8080 
 sizeLimit = 125 # MB
-enableH2C = true
+enableH2C = "on" # "on" or "off"
 
 [pages]
 enabled = false
diff --git a/main.go b/main.go
index 3fd40e6..3297f91 100644
--- a/main.go
+++ b/main.go
@@ -91,9 +91,19 @@ func init() {
 	gin.SetMode(gin.ReleaseMode)
 
 	router = gin.Default()
-	if cfg.Server.EnableH2C {
+	//H2C默认值为true，而后遵循cfg.Server.EnableH2C的设置
+	if cfg.Server.EnableH2C == "on" {
 		router.UseH2C = true
+	} else if cfg.Server.EnableH2C == "" {
+		router.UseH2C = true
+	} else {
+		router.UseH2C = false
 	}
+	/*if !cfg.Server.EnableH2C {
+		router.UseH2C = false
+	} else {
+		router.UseH2C = true
+	}*/
 
 	setupApi(cfg, router, version)