diff --git a/FreeSql/Properties/CoreStrings.en-US.resx b/FreeSql/Properties/CoreStrings.en-US.resx
index 9d3cd3db..29eae3a7 100644
--- a/FreeSql/Properties/CoreStrings.en-US.resx
+++ b/FreeSql/Properties/CoreStrings.en-US.resx
@@ -337,7 +337,7 @@
     <value>Navigation property {trytbTypeName}. {pnvName} attribute [Navigate] parsing error, property not found at {tbrefTypeName}: {bi}</value>
   </data>
   <data name="NoPrimaryKey_UseSetDto" xml:space="preserve">
-    <value>{tableTypeDisplayCsharp} has no primary key defined and cannot use SetSource. Try SetDto</value>
+    <value>{tableTypeDisplayCsharp} has no primary key defined and cannot use SetSource. Try SetDto or SetSource to specify a temporary primary key</value>
   </data>
   <data name="NoProperty_Defined" xml:space="preserve">
     <value>No properties defined</value>
diff --git a/FreeSql/Properties/CoreStrings.resx b/FreeSql/Properties/CoreStrings.resx
index e3c29510..d7036cb3 100644
--- a/FreeSql/Properties/CoreStrings.resx
+++ b/FreeSql/Properties/CoreStrings.resx
@@ -337,7 +337,7 @@
     <value>导航属性 {trytbTypeName}.{pnvName} 特性 [Navigate] 解析错误，在 {tbrefTypeName} 未找到属性：{bi}</value>
   </data>
   <data name="NoPrimaryKey_UseSetDto" xml:space="preserve">
-    <value>{tableTypeDisplayCsharp} 没有定义主键，无法使用 SetSource，请尝试 SetDto</value>
+    <value>{tableTypeDisplayCsharp} 没有定义主键，无法使用 SetSource，请尝试 SetDto 或者 SetSource 指定临时主键</value>
   </data>
   <data name="NoProperty_Defined" xml:space="preserve">
     <value> 没有定义属性 </value>