diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMax.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMax.cs
index aee39de80..e2e46b010 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMax.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMax.cs
@@ -49,6 +49,15 @@ namespace SqlSugar
             {
                 argExp = ((argExp as LambdaExpression).Body as UnaryExpression).Operand;
             }
+            var argLambda = argExp as LambdaExpression;
+            if (this.Context.InitMappingInfo != null && argLambda != null && argLambda.Parameters.Count > 0)
+            {
+                foreach (var item in argLambda.Parameters)
+                {
+                    this.Context.InitMappingInfo(item.Type);
+                }
+                this.Context.RefreshMapping();
+            }
             var result = "MAX(" + SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple) + ")";
             var selfParameterName = Context.GetTranslationColumnName(parametres.First().Name) + UtilConstants.Dot;
             result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMin.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMin.cs
index 41fd5617f..aeef64ec3 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMin.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubMin.cs
@@ -49,6 +49,15 @@ namespace SqlSugar
             {
                 argExp = ((argExp as LambdaExpression).Body as UnaryExpression).Operand;
             }
+            var argLambda = argExp as LambdaExpression;
+            if (this.Context.InitMappingInfo != null && argLambda != null && argLambda.Parameters.Count > 0)
+            {
+                foreach (var item in argLambda.Parameters)
+                {
+                    this.Context.InitMappingInfo(item.Type);
+                }
+                this.Context.RefreshMapping();
+            }
             var result = "MIN(" + SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple) + ")";
             var selfParameterName = Context.GetTranslationColumnName(parametres.First().Name) + UtilConstants.Dot;
             result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubSum.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubSum.cs
index 03f1454b4..c6b771583 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubSum.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubSum.cs
@@ -49,6 +49,15 @@ namespace SqlSugar
             {
                 argExp =((argExp as LambdaExpression).Body as UnaryExpression).Operand;
             }
+            var argLambda = argExp as LambdaExpression;
+            if (this.Context.InitMappingInfo != null&& argLambda != null&&argLambda.Parameters.Count>0)
+            {
+                foreach (var item in argLambda.Parameters)
+                {
+                    this.Context.InitMappingInfo(item.Type);
+                }
+                this.Context.RefreshMapping();
+            }
             var result = "SUM(" + SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple)+")";
             var selfParameterName = Context.GetTranslationColumnName(parametres.First().Name) + UtilConstants.Dot;
             result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));