diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
index 617b95ddf..b8ac8f5ec 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
@@ -398,7 +398,7 @@ namespace SqlSugar
         }
         public IUpdateable<T> SetColumns(Expression<Func<T, object>> filedNameExpression, object fieldValue) 
         {
-            var name= UpdateBuilder.GetExpressionValue(filedNameExpression,ResolveExpressType.WhereSingle).GetString();
+            var name= UpdateBuilder.GetExpressionValue(filedNameExpression,ResolveExpressType.FieldSingle).GetString();
             name = UpdateBuilder.Builder.GetNoTranslationColumnName(name);
             return SetColumns(name, fieldValue);
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubSelectStringJoin.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubSelectStringJoin.cs
index f55fa97f2..98cd7cb93 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubSelectStringJoin.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubSelectStringJoin.cs
@@ -42,12 +42,13 @@ namespace SqlSugar
         public string GetValue(Expression expression = null)
         {
             var exp = expression as MethodCallExpression;
-            var entityType = (exp.Arguments[0] as LambdaExpression).Parameters[0].Type;
-            if (this.Context.InitMappingInfo != null)
-            {
-                this.Context.InitMappingInfo(entityType);
-                this.Context.RefreshMapping();
-            }
+            //var entityType = (exp.Arguments[0] as LambdaExpression).Parameters[0].Type;
+            //if (this.Context.InitMappingInfo != null)
+            //{
+            //    this.Context.InitMappingInfo(entityType);
+            //    this.Context.RefreshMapping();
+            //}
+            InitType(exp);
             var result = "";
             if (this.Context.JoinIndex == 0)
                 result = SubTools.GetMethodValue(this.Context, exp.Arguments[0], ResolveExpressType.FieldSingle);
@@ -60,7 +61,17 @@ namespace SqlSugar
 
             return result;
         }
-
+        private void InitType(MethodCallExpression exp)
+        {
+            foreach (var arg in (exp.Arguments[0] as LambdaExpression).Parameters)
+            {
+                if (this.Context.InitMappingInfo != null)
+                {
+                    this.Context.InitMappingInfo(arg.Type);
+                    this.Context.RefreshMapping();
+                }
+            }
+        }
         public void SetShortName(MethodCallExpression exp, string result)
         {
             if (exp.Arguments[0] is LambdaExpression && result.IsContainsIn("+", "-", "*", "/"))
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
index f556d0fe8..e851fd2c9 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
@@ -413,6 +413,8 @@ namespace SqlSugar
             {
                 template = template.Replace("'{2}'", "{2}");
             }
+            tableName=SqlBuilder.GetTranslationTableName(tableName);
+            columnName = SqlBuilder.GetTranslationTableName(columnName);
             string sql = string.Format(template, tableName, columnName, defaultValue);
             this.Context.Ado.ExecuteCommand(sql);
             return true;