diff --git a/docs/examples/csharp/wsConnect/Program.cs b/docs/examples/csharp/wsConnect/Program.cs
index 2e89372c3e3dd23c16bad0362f494b2c64191cbc..f9a56c842fcfe1f0a032cca70460b4f84732cf18 100644
--- a/docs/examples/csharp/wsConnect/Program.cs
+++ b/docs/examples/csharp/wsConnect/Program.cs
@@ -9,9 +9,10 @@ namespace Examples
         {
             string DSN = "ws://root:taosdata@127.0.0.1:6041/test";
             IntPtr wsConn = LibTaosWS.WSConnectWithDSN(DSN);
+  
             if (wsConn == IntPtr.Zero)
             {
-                throw new Exception($"get WS connection failed,reason:{LibTaosWS.WSErrorStr(IntPtr.Zero)} code:{LibTaosWS.WSErrorNo(IntPtr.Zero)}");
+                throw new Exception("get WS connection failed");
             }
             else
             {
diff --git a/docs/examples/csharp/wsInsert/Program.cs b/docs/examples/csharp/wsInsert/Program.cs
index 4cd812cda916308f80f7bf2001d38046434056c1..1f2d0a67253f478913f7eb0093b732a1a0c0f541 100644
--- a/docs/examples/csharp/wsInsert/Program.cs
+++ b/docs/examples/csharp/wsInsert/Program.cs
@@ -13,7 +13,7 @@ namespace Examples
             // Assert if connection is validate
             if (wsConn == IntPtr.Zero)
             {
-                throw new Exception($"get WS connection failed,reason:{LibTaosWS.WSErrorStr(IntPtr.Zero)} code:{LibTaosWS.WSErrorNo(IntPtr.Zero)}");
+                throw new Exception("get WS connection failed");
             }
             else
             {
diff --git a/docs/examples/csharp/wsQuery/Program.cs b/docs/examples/csharp/wsQuery/Program.cs
index de5591aa536655606547cf8998145025642989cd..a220cae9032bb2633f0514cbbd3f859a5f1a1f17 100644
--- a/docs/examples/csharp/wsQuery/Program.cs
+++ b/docs/examples/csharp/wsQuery/Program.cs
@@ -13,7 +13,7 @@ namespace Examples
             IntPtr wsConn = LibTaosWS.WSConnectWithDSN(DSN);
             if (wsConn == IntPtr.Zero)
             {
-                throw new Exception($"get WS connection failed,reason:{LibTaosWS.WSErrorStr(IntPtr.Zero)} code:{LibTaosWS.WSErrorNo(IntPtr.Zero)}");
+                throw new Exception("get WS connection failed");
             }
             else
             {
diff --git a/docs/examples/csharp/wsStmt/Program.cs b/docs/examples/csharp/wsStmt/Program.cs
index 54de77ec1f98deaf14fd2ad9ca0acd57e6b38f63..8af807ec39d72651c48ab82b79db7f4c5049225f 100644
--- a/docs/examples/csharp/wsStmt/Program.cs
+++ b/docs/examples/csharp/wsStmt/Program.cs
@@ -21,7 +21,7 @@ namespace Examples
             IntPtr wsConn = LibTaosWS.WSConnectWithDSN(DSN);
             if (wsConn == IntPtr.Zero)
             {
-                throw new Exception($"get WS connection failed,reason:{LibTaosWS.WSErrorStr(IntPtr.Zero)} code:{LibTaosWS.WSErrorNo(IntPtr.Zero)}");
+                throw new Exception($"get WS connection failed");
             }
             else
             {
diff --git a/packaging/testpackage.sh b/packaging/testpackage.sh
index b19d8257a0cc208141e68c34091c30754c7b01b5..5b9a12179deb056396e3f08d544a4478d5535005 100755
--- a/packaging/testpackage.sh
+++ b/packaging/testpackage.sh
@@ -67,6 +67,7 @@ fi
 }
 
 
+
 function wgetFile {
 
 file=$1
@@ -75,7 +76,10 @@ if [ ! -f  ${file}  ];then
     echoColor  BD "wget https://www.taosdata.com/assets-download/3.0/${file}"
     wget https://www.taosdata.com/assets-download/3.0/${file}
 else
-    echoColor  YD "${file} already exists "
+    echoColor  YD "${file} already exists and use new file "
+    rm -rf ${file}
+    echoColor  BD "wget https://www.taosdata.com/assets-download/3.0/${file}"
+    wget https://www.taosdata.com/assets-download/3.0/${file}  
 fi
 }
 
diff --git a/packaging/tools/make_install.bat b/packaging/tools/make_install.bat
index d875b783baca466806a054a32c2655d39579a875..f5d1e4569063f60bf998ff5665c624cbce6af4be 100644
--- a/packaging/tools/make_install.bat
+++ b/packaging/tools/make_install.bat
@@ -34,7 +34,6 @@ if exist %binary_dir%\\test\\cfg\\taosadapter.toml (
         copy %binary_dir%\\test\\cfg\\taosadapter.toml %tagert_dir%\\cfg\\taosadapter.toml > nul
     )
 )
-
 copy %source_dir%\\include\\client\\taos.h %tagert_dir%\\include > nul
 copy %source_dir%\\include\\util\\taoserror.h %tagert_dir%\\include > nul
 copy %source_dir%\\include\\libs\\function\\taosudf.h %tagert_dir%\\include > nul
@@ -52,6 +51,7 @@ if exist %binary_dir%\\build\\lib\\taosws.dll.lib (
 )
 if exist %binary_dir%\\build\\lib\\taosws.dll (
     copy %binary_dir%\\build\\lib\\taosws.dll %tagert_dir%\\driver  > nul
+    copy %source_dir%\\tools\\taosws-rs\\target\\release\\taosws.h %tagert_dir%\\include > nul
 )
 if exist %binary_dir%\\build\\bin\\taosdump.exe (
     copy %binary_dir%\\build\\bin\\taosdump.exe %tagert_dir% > nul
diff --git a/packaging/tools/tdengine.iss b/packaging/tools/tdengine.iss
index 272a0dfb5c556bf9ed1f5a567579e1a93b10be80..ec9c432092bcc416de4b22025c86faa262898d5a 100644
--- a/packaging/tools/tdengine.iss
+++ b/packaging/tools/tdengine.iss
@@ -15,10 +15,10 @@
 #define MyAppExeName "\*.exe"
 #define MyAppTaosExeName "\taos.bat"
 #define MyAppTaosdemoExeName "\taosBenchmark.exe"
-#define MyAppDLLName "\driver\taos.dll"
+#define MyAppDLLName "\driver\*.dll"
 ;#define MyAppVersion "3.0"
 ;#define MyAppInstallName "TDengine"
-
+;#define MyAppInstallName "TDengine"
 [Setup]
 VersionInfoVersion={#MyAppVersion}
 AppId={{A0F7A93C-79C4-485D-B2B8-F0D03DF42FAB}
diff --git a/tests/docs-examples-test/csharp.sh b/tests/docs-examples-test/csharp.sh
index 8d1031ab8f8367e260804a58ecc2ae4f9822550c..21c19b9b3d7dae0680381b112e84f44a2023f5dd 100644
--- a/tests/docs-examples-test/csharp.sh
+++ b/tests/docs-examples-test/csharp.sh
@@ -27,11 +27,11 @@ dotnet run --project optsTelnet/optstelnet.csproj
 taos -s "drop database if exists test"
 dotnet run --project optsJSON/optsJSON.csproj
 
-taos -s "create database if exists test"
-dotnet run --project wsConnect/wsConnect.csproj
-dotnet run --project wsInsert/wsInsert.csproj
-dotnet run --project wsStmt/wsStmt.csproj
-dotnet run --project wsQuery/wsQuery.csproj
+taos -s "create database if not exists test"
+# dotnet run --project wsConnect/wsConnect.csproj
+# dotnet run --project wsInsert/wsInsert.csproj
+# dotnet run --project wsStmt/wsStmt.csproj
+# dotnet run --project wsQuery/wsQuery.csproj
 
 taos -s "drop database if exists test"
 taos -s "drop database if exists power"
\ No newline at end of file