diff --git a/NewLife.MQTT/NewLife.MQTT.csproj b/NewLife.MQTT/NewLife.MQTT.csproj
index 526f15c..1cae9ec 100644
--- a/NewLife.MQTT/NewLife.MQTT.csproj
+++ b/NewLife.MQTT/NewLife.MQTT.csproj
@@ -65,7 +65,7 @@
-
+
diff --git a/NewLife.MqttServer/NewLife.MqttServer.csproj b/NewLife.MqttServer/NewLife.MqttServer.csproj
index a3f5940..a2c2932 100644
--- a/NewLife.MqttServer/NewLife.MqttServer.csproj
+++ b/NewLife.MqttServer/NewLife.MqttServer.csproj
@@ -21,7 +21,7 @@
-
+
diff --git a/Test/Test.csproj b/Test/Test.csproj
index 6a0d630..c8f16a9 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -16,7 +16,7 @@
latest
-
+
diff --git a/XUnitTestClient/XUnitTestClient.csproj b/XUnitTestClient/XUnitTestClient.csproj
index e01abb2..ba34c00 100644
--- a/XUnitTestClient/XUnitTestClient.csproj
+++ b/XUnitTestClient/XUnitTestClient.csproj
@@ -10,7 +10,7 @@
-
+