opt: optimize index and login page UI

api/config.sample.toml

@@ -108,7 +108,8 @@ WeChatBot = false
   ApiURL = "https://api.xunhupay.com"
   NotifyURL = "https://ai.r9it.com/api/payment/hupipay/notify"
 
-[SmtpConfig] # 注意，阿里云服务器禁用了25号端口，所以如果需要使用邮件功能，请别用阿里云服务器
+[SmtpConfig] # 注意，阿里云服务器禁用了25号端口，请使用 465 端口，并开启 TLS 连接
+  UseTls = false
   Host = "smtp.163.com"
   Port = 25
   AppName = "极客学长"

api/handler/user_handler.go

@@ -71,7 +71,7 @@ func (h *UserHandler) Register(c *gin.Context) {
 
 	// 检查验证码
 	var key string
-	if data.RegWay == "email" || data.RegWay == "mobile" || data.Code != "" {
+	if data.RegWay == "email" || data.RegWay == "mobile" {
 		key = CodeStorePrefix + data.Username
 		code, err := h.redis.Get(c, key).Result()
 		if err != nil || code != data.Code {