diff --git a/nuget-publish.bat b/nuget-publish.bat
index 55e69b01..720516bd 100644
--- a/nuget-publish.bat
+++ b/nuget-publish.bat
@@ -1,11 +1,11 @@
 :start
 ::定义版本
-set EFCORE8=7.8.1.19-preview1
-set EFCORE7=7.7.1.19-preview1
-set EFCORE6=7.6.1.19-preview1
-set EFCORE5=7.5.1.19-preview1
-set EFCORE3=7.3.1.19-preview1
-set EFCORE2=7.2.1.19-preview1
+set EFCORE8=7.8.1.19-preview2
+set EFCORE7=7.7.1.19-preview2
+set EFCORE6=7.6.1.19-preview2
+set EFCORE5=7.5.1.19-preview2
+set EFCORE3=7.3.1.19-preview2
+set EFCORE2=7.2.1.19-preview2
 
 ::删除所有bin与obj下的文件
 @echo off