diff --git a/controllers/user_controller.go b/controllers/user_controller.go
index 6357c63..e0f1c97 100644
--- a/controllers/user_controller.go
+++ b/controllers/user_controller.go
@@ -12,23 +12,8 @@ import (
 
 //刷新验证码 POST
 func RefreshCode(c *gin.Context) {
-	var (
-		err  error
-		user = &struct {
-			Width  int `json:"width" form:"width" binding:"required"`
-			Height int `json:"height" form:"height" binding:"required"`
-		}{}
-	)
-	if err = c.ShouldBind(&user); err != nil {
-		c.JSON(http.StatusOK, &CallBack{
-			Code: model.ErrCodeNormal,
-			Desc: err.Error(),
-		})
-		globals.SugarLogger.Debugf("End API :%s error:%v:", c.Request.URL, err)
-		return
-	}
 	globals.SugarLogger.Debugf("RefreshCode, ip: %v", c.ClientIP())
-	utils.Captcha(c, user.Width, user.Height, 4)
+	utils.Captcha(c, 4)
 }
 
 type UserParam struct {
diff --git a/utils/utils.go b/utils/utils.go
index d2da471..ae6aae7 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -51,8 +51,9 @@ func RandStringBytesWithNumber(n int) string {
 	return string(b)
 }
 
-func Captcha(c *gin.Context, w, h int, length ...int) {
+func Captcha(c *gin.Context, length ...int) {
 	l := captcha.DefaultLen
+	w, h := 107, 36
 	if len(length) == 1 {
 		l = length[0]
 	}