fix

utils/basic/basic.go

@@ -55,6 +55,7 @@ var (
 	CodeEmailNotFoundErr  = &StatusResponse{5050, "email not found"}  // 未找到email
 	CodeUserIdNotFoundErr = &StatusResponse{5051, "user not found"}   // 未找到用户
 	CodePasswordErr       = &StatusResponse{5052, "invalid password"} // 无效密码
+	CodeEmailExistsErr    = &StatusResponse{5053, "email exists"}     // email存在
 
 	CodeSafeValueRangeErr = &StatusResponse{5040, "value not in range"}    // 值不在范围内
 	CodeTemplateErr       = &StatusResponse{5040, "template parsed error"} // 模板解析错误