diff --git a/Samples/Zero.HttpServer/Zero.HttpServer.csproj b/Samples/Zero.HttpServer/Zero.HttpServer.csproj
index c9d8b3f2f..9edbe89fe 100644
--- a/Samples/Zero.HttpServer/Zero.HttpServer.csproj
+++ b/Samples/Zero.HttpServer/Zero.HttpServer.csproj
@@ -21,7 +21,7 @@
-
+
diff --git a/Samples/Zero.Server/Zero.Server.csproj b/Samples/Zero.Server/Zero.Server.csproj
index 285100679..e10ca0e26 100644
--- a/Samples/Zero.Server/Zero.Server.csproj
+++ b/Samples/Zero.Server/Zero.Server.csproj
@@ -21,7 +21,7 @@
-
+
diff --git a/Test/Test.csproj b/Test/Test.csproj
index 1f59f6b21..3356e3e90 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -25,7 +25,7 @@
-
+
diff --git a/Test2/Test2.csproj b/Test2/Test2.csproj
index b86386c8c..699f51261 100644
--- a/Test2/Test2.csproj
+++ b/Test2/Test2.csproj
@@ -24,7 +24,7 @@
-
+