diff --git a/plugins/zltx_v2/internal/vo/account_type.go b/plugins/zltx_v2/internal/vo/account_type.go
index c47d093..79457df 100644
--- a/plugins/zltx_v2/internal/vo/account_type.go
+++ b/plugins/zltx_v2/internal/vo/account_type.go
@@ -15,8 +15,6 @@ func (o AccountType) AccountType(account string) AccountType {
 		return AccountTypeDefault
 	} else if helper.IsPhoneNumber(account) {
 		return AccountTypePhone
-	} else if helper.IsValidQQ(account) {
-		return AccountTypeQQ
 	}
 	return AccountTypeDefault
 }
diff --git a/utils/helper/common.go b/utils/helper/common.go
index 87baf05..9301fc1 100644
--- a/utils/helper/common.go
+++ b/utils/helper/common.go
@@ -30,10 +30,3 @@ func IsEmail(email string) bool {
 	var emailRegex = regexp.MustCompile(`[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
 	return emailRegex.MatchString(email)
 }
-
-// IsValidQQ 检查给定的字符串是否为有效的 QQ 号
-func IsValidQQ(qq string) bool {
-	// QQ号正则表达式：5到11位数字，且开头不为0的情况
-	re := regexp.MustCompile(`^(?!0)[0-9]{5,11}$`)
-	return re.MatchString(qq)
-}