-

Src/Asp.Net/SqlSugar/SqlSugar.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugar</id>
-    <version>4.9.8</version>
+    <version>4.9.8.1</version>
     <title>SqlSugar .Net Framework 4.0+  ORM </title>
     <authors>sun kaixuan</authors>
     <owners>landa</owners>

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs

@@ -271,7 +271,7 @@ namespace SqlSugar
                 Where(SqlBuilder.SqlFalse);
                 return this;
             }
-            if (pkValues.Length == 1 && pkValues.First().GetType().FullName.IsCollectionsList()|| pkValues.First() is IEnumerable)
+            if (pkValues.Length == 1 && pkValues.First().GetType().FullName.IsCollectionsList() || (pkValues.First() is IEnumerable && pkValues.First().GetType() != UtilConstants.StringType))
             {
                 var newValues = new List<object>();
                 foreach (var item in pkValues.First() as IEnumerable)