diff --git a/samples/Directory.Build.props b/samples/Directory.Build.props
index 00b7dce0..d7160be7 100644
--- a/samples/Directory.Build.props
+++ b/samples/Directory.Build.props
@@ -12,7 +12,7 @@
-
+
diff --git a/samples/MultiEventsConsumer/MultiEventsConsumer.csproj b/samples/MultiEventsConsumer/MultiEventsConsumer.csproj
index 3bdefd45..bc5b9801 100644
--- a/samples/MultiEventsConsumer/MultiEventsConsumer.csproj
+++ b/samples/MultiEventsConsumer/MultiEventsConsumer.csproj
@@ -1,7 +1,7 @@
-
+
-
+
diff --git a/src/Tingle.EventBus/Tingle.EventBus.csproj b/src/Tingle.EventBus/Tingle.EventBus.csproj
index 82ba00cc..e09a004d 100644
--- a/src/Tingle.EventBus/Tingle.EventBus.csproj
+++ b/src/Tingle.EventBus/Tingle.EventBus.csproj
@@ -9,10 +9,10 @@
-
-
-
-
+
+
+
+
diff --git a/tests/Directory.Build.props b/tests/Directory.Build.props
index 7f5a969b..f46f42cc 100644
--- a/tests/Directory.Build.props
+++ b/tests/Directory.Build.props
@@ -13,7 +13,7 @@
-
+