diff --git a/api/auth/register.go b/api/auth/register.go
index 39b83fc..44c3825 100644
--- a/api/auth/register.go
+++ b/api/auth/register.go
@@ -55,6 +55,7 @@ func register(x *vigo.X, req *RegisterRequest) (*AuthResponse, error) {
 
 	// 检查邮箱是否已存在
 	if req.Email != "" {
+		count = 0 // 重置计数器
 		if err := cfg.DB().Model(&models.User{}).Where("email = ?", req.Email).Count(&count).Error; err != nil {
 			return nil, vigo.ErrInternalServer.WithError(err)
 		}
@@ -65,6 +66,7 @@ func register(x *vigo.X, req *RegisterRequest) (*AuthResponse, error) {
 
 	// 检查手机是否已存在
 	if req.Phone != "" {
+		count = 0 // 重置计数器
 		if err := cfg.DB().Model(&models.User{}).Where("phone = ?", req.Phone).Count(&count).Error; err != nil {
 			return nil, vigo.ErrInternalServer.WithError(err)
 		}