diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
index d8b6f1fd1..08bbcf6c5 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
@@ -40,9 +40,9 @@ namespace SqlSugar
         #endregion
 
         #region Get Mehtod
-        protected object GetMemberValue(object value, Expression exp,out bool isConvert)
+        protected object GetMemberValue(object value, Expression exp,out SugarParameter outConvertParameter)
         {
-            isConvert = false;
+            outConvertParameter = null;
             if (exp is MemberExpression)
             {
                 var member = (exp as MemberExpression);
@@ -58,7 +58,7 @@ namespace SqlSugar
                         var obj = Activator.CreateInstance(type);
                         var p = ParameterConverter.Invoke(obj, new object[] { value, 100 + this.Context.ParameterIndex }) as SugarParameter;
                         value = p.Value;
-                        isConvert = true;
+                        outConvertParameter = p;
                     }
                 }
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberConstExpressionResolve.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberConstExpressionResolve.cs
index ccdb43783..cfa3d1f44 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberConstExpressionResolve.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberConstExpressionResolve.cs
@@ -38,18 +38,18 @@ namespace SqlSugar
             if (parameter.OppsiteExpression != null)
             {
                 var exp = ExpressionTool.RemoveConvert(parameter.OppsiteExpression);
-                value = GetMemberValue(value, exp,out bool isConvert);
+                value = GetMemberValue(value, exp,out SugarParameter outConvertParameter);
                 var valueFullName = value?.GetType()?.FullName;
                 if (valueFullName == "Microsoft.Extensions.Primitives.StringValues")
                 {
                     value = value.ToString();
                 } 
-                if (isConvert && isSetTempData == false&& exp is MemberExpression m)
-                {
-                    var p = new SugarParameter($"@{m.Member.Name}"+this.Context.ParameterIndex, value);
+                if (outConvertParameter!=null && isSetTempData == false&& exp is MemberExpression m)
+                { 
+                    outConvertParameter.ParameterName = $"@{m.Member.Name}" + this.Context.ParameterIndex; 
                     this.Context.ParameterIndex++;
-                    this.Context.Parameters.Add(p);
-                    AppendMember(parameter, isLeft, p.ParameterName);
+                    this.Context.Parameters.Add(outConvertParameter);
+                    AppendMember(parameter, isLeft, outConvertParameter.ParameterName);
                     return;
                 }
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
index 7617ee002..9e708fa44 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
@@ -516,7 +516,7 @@ namespace SqlSugar
                     List<object> result = new List<object>();
                     foreach (var memItem in (value as IList))
                     {
-                        result.Add(GetMemberValue(memItem, args.Last(), out bool b));
+                        result.Add(GetMemberValue(memItem, args.Last(), out SugarParameter outConvertParameter));
                     }
                     value = result;
                 }