用户修改属性时的最后修改人从jxadmin改为用户id

用户注册时也记录相应的最后登录信息

business/model/dao/dao_bz.go

@@ -107,10 +107,13 @@ func UpdateEntityLogically(db *DaoDB, item interface{}, kvs map[string]interface
 			model.FieldDeletedAt: utils.DefaultTimeValue,
 		})
 	}
-	return UpdateEntityByKV(db, item, utils.MergeMaps(kvs, map[string]interface{}{
-		model.FieldUpdatedAt:    time.Now(),
-		model.FieldLastOperator: userName,
-	}), conditions)
+	params := map[string]interface{}{
+		model.FieldUpdatedAt: time.Now(),
+	}
+	if userName != "" {
+		params[model.FieldLastOperator] = userName
+	}
+	return UpdateEntityByKV(db, item, utils.MergeMaps(kvs, params), conditions)
 }
 
 // 此函数会更新同步标志
@@ -133,11 +136,14 @@ func UpdateEntityLogicallyAndUpdateSyncStatus(db *DaoDB, item interface{}, kvs m
 		for i := 0; i < valueRows.Len(); i++ {
 			value := reflect.Indirect(valueRows.Index(i))
 			status := value.FieldByName(syncStatusFieldName).Int() | int64(valueMask)
-			num2, err2 := UpdateEntityByKV(db, value.Interface(), utils.MergeMaps(kvs, map[string]interface{}{
-				model.FieldUpdatedAt:    time.Now(),
-				model.FieldLastOperator: userName,
-				syncStatusFieldName:     status,
-			}), nil)
+			params := map[string]interface{}{
+				model.FieldUpdatedAt: time.Now(),
+				syncStatusFieldName:  status,
+			}
+			if userName != "" {
+				params[model.FieldLastOperator] = userName
+			}
+			num2, err2 := UpdateEntityByKV(db, value.Interface(), utils.MergeMaps(kvs, params), nil)
 			if err = err2; err == nil {
 				num += num2
 			} else {