diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index e773e8843..83fc9ab96 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -246,6 +246,12 @@ namespace SqlSugar
             return string.Format(" {0} {1} {2} ", GetTranslationColumnName(fieldValue), "AS", GetTranslationColumnName(asName));
         }
 
+        public virtual string GetAsString2(string asName, string fieldValue)
+        {
+            if (fieldValue.Contains(".*") || fieldValue == "*") return fieldValue;
+            return string.Format(" {0} {1} {2} ",fieldValue, "AS", GetTranslationColumnName(asName));
+        }
+
         public virtual string GetEqString(string eqName, string fieldValue)
         {
             return string.Format(" {0} {1} {2} ", GetTranslationColumnName(eqName), "=", GetTranslationColumnName(fieldValue));
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Item.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Item.cs
index ad23892d6..f9f6e6fd6 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Item.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Item.cs
@@ -15,7 +15,14 @@ namespace SqlSugar
         {
             this.Expression = item;
             this.Start();
-            parameter.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
+            if (ExpressionTool.GetMethodName(item) == "MappingColumn")
+            {
+                parameter.Context.Result.Append(this.Context.GetAsString2(asName, parameter.CommonTempData.ObjToString()));
+            }
+            else
+            {
+                parameter.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
+            }
         }
 
         private void ResloveCountAny(ExpressionParameter parameter, Expression item, string asName)