-

Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs

@@ -596,13 +596,10 @@ namespace SqlSugar
         }
         public virtual int Count()
         {
+            MappingTableList expMapping = new MappingTableList();
             if (QueryBuilder.EntityName== "ExpandoObject" && this.Context.MappingTables.Any(it => it.EntityName == "ExpandoObject"))
             {
-                if (OldMappingTableList == null)
+                expMapping.Add("ExpandoObject", this.Context.MappingTables.First(it => it.EntityName == "ExpandoObject").DbTableName);
-                {
-                    OldMappingTableList = new MappingTableList();
-                }
-                OldMappingTableList.Add("ExpandoObject", this.Context.MappingTables.First(it => it.EntityName == "ExpandoObject").DbTableName);
             }
             InitMapping();
             QueryBuilder.IsCount = true;
@@ -618,6 +615,14 @@ namespace SqlSugar
             }
             RestoreMapping();
             QueryBuilder.IsCount = false;
+            if (expMapping.Count > 0)
+            {
+                if (this.QueryableMappingTableList == null)
+                {
+                    this.QueryableMappingTableList = new MappingTableList();
+                }
+                this.QueryableMappingTableList.Add(expMapping.First());
+            }
             return result;
         }