diff --git a/server/info/internal/logic/addressupdatelogic.go b/server/info/internal/logic/addressupdatelogic.go
index 572353bc..377021c2 100644
--- a/server/info/internal/logic/addressupdatelogic.go
+++ b/server/info/internal/logic/addressupdatelogic.go
@@ -40,6 +40,11 @@ func (l *AddressUpdateLogic) AddressUpdate(req *types.AddressRequest, userinfo *
 		return resp.SetStatus(basic.CodeUnAuth)
 	}
 
+	// 确认这个IsDefault的值范围
+	if !auth.CheckValueRange(req.IsDefault, 0, 1) {
+		return resp.SetStatus(basic.CodeSafeValueRangeErr) // IsDefault值超出范围, 返回安全值范围错误
+	}
+
 	now := time.Now().UTC()
 
 	if req.AddressId == 0 {
@@ -65,6 +70,10 @@ func (l *AddressUpdateLogic) AddressUpdate(req *types.AddressRequest, userinfo *
 		return resp.SetStatusWithMessage(basic.CodeApiErr, err.Error())
 	}
 
+	if req.IsDefault > 0 {
+		l.svcCtx.AllModels.FsAddress.SettingUserDefaultAddress(l.ctx, userinfo.UserId, address.AddressId)
+	}
+
 	addresses, err := l.svcCtx.AllModels.FsAddress.GetUserAllAddress(l.ctx, userinfo.UserId)
 	if err != nil {
 		logx.Error(err)