家长课堂账户多了-，更改登录用户校验支持输入-

byzs-module-system/src/main/java/cn/iocoder/byzs/module/system/controller/admin/auth/vo/AuthLoginReqVO.java

@@ -24,7 +24,7 @@ public class AuthLoginReqVO extends CaptchaVerificationReqVO {
     @Schema(description = "账号", requiredMode = Schema.RequiredMode.REQUIRED, example = "yudaoyuanma")
     @NotEmpty(message = "登录账号不能为空")
     @Length(min = 4, max = 16, message = "账号长度为 4-16 位")
-    @Pattern(regexp = "^[A-Za-z0-9]+$", message = "账号格式为数字以及字母")
+    @Pattern(regexp = "^[A-Za-z0-9-]+$", message = "账号格式为数字、字母以及符号-")
     private String username;
 
     @Schema(description = "密码", requiredMode = Schema.RequiredMode.REQUIRED, example = "buzhidao")