验证码修改

app/system/controller/token.go

@@ -26,9 +26,9 @@ type auth struct{}
 var driver = &base64Captcha.DriverString{
 	Height:          48,
 	Width:           130,
-	NoiseCount:      100,
-	ShowLineOptions: 2,
-	Length:          5,
+	NoiseCount:      0,
+	ShowLineOptions: 0,
+	Length:          4,
 	BgColor:         nil,
 }
 
@@ -116,7 +116,7 @@ func (c *auth) Logout(ctx *gin.Context) {
 
 func (c *auth) Captcha(ctx *gin.Context) {
 	id := uuid.NewV1().String()
-	code := common.RandomString2(5)
+	code := common.RandomString2(4)
 	gotItem, _ := driver.DrawCaptcha(code)
 	image := gotItem.EncodeB64string()
 	rsp := model.RspCaptcha{

util/common/common.go

@@ -112,7 +112,8 @@ func RandomString(n int) string {
 }
 
 func RandomString2(n int) string {
-	var letters = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
+	//var letters = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
+	var letters = []rune("123456789")
 	rand.Seed(time.Now().Unix())
 	b := make([]rune, n)
 	for i := range b {