diff --git a/ext/pin_auth/BUILD.gn b/ext/pin_auth/BUILD.gn
index cc8cfcef..333c1340 100644
--- a/ext/pin_auth/BUILD.gn
+++ b/ext/pin_auth/BUILD.gn
@@ -64,4 +64,4 @@ if (defined(ohos_lite)) {
 
     part_name = "device_manager_base"
   }
-}
\ No newline at end of file
+}
diff --git a/ext/profile/BUILD.gn b/ext/profile/BUILD.gn
index 4ac238c3..552653a0 100644
--- a/ext/profile/BUILD.gn
+++ b/ext/profile/BUILD.gn
@@ -72,4 +72,4 @@ if (defined(ohos_lite)) {
 
     part_name = "device_manager_base"
   }
-}
\ No newline at end of file
+}
diff --git a/interfaces/inner_kits/native_cpp/BUILD.gn b/interfaces/inner_kits/native_cpp/BUILD.gn
index 2dbc348f..1814cd81 100644
--- a/interfaces/inner_kits/native_cpp/BUILD.gn
+++ b/interfaces/inner_kits/native_cpp/BUILD.gn
@@ -122,4 +122,4 @@ if (defined(ohos_lite)) {
 
     part_name = "device_manager_base"
   }
-}
\ No newline at end of file
+}
diff --git a/interfaces/kits/js/BUILD.gn b/interfaces/kits/js/BUILD.gn
index 9bbe372f..ca930a21 100644
--- a/interfaces/kits/js/BUILD.gn
+++ b/interfaces/kits/js/BUILD.gn
@@ -64,4 +64,4 @@ ohos_shared_library("devicemanager") {
 
 group("devicemanager_native_js") {
   deps = [ ":devicemanager" ]
-}
\ No newline at end of file
+}
diff --git a/services/devicemanagerservice/BUILD.gn b/services/devicemanagerservice/BUILD.gn
index 799bb65a..fd5b0366 100644
--- a/services/devicemanagerservice/BUILD.gn
+++ b/services/devicemanagerservice/BUILD.gn
@@ -199,4 +199,4 @@ if (defined(ohos_lite)) {
 
     part_name = "device_manager_base"
   }
-}
\ No newline at end of file
+}
diff --git a/test/BUILD.gn b/test/BUILD.gn
index ece19432..d29faeb1 100644
--- a/test/BUILD.gn
+++ b/test/BUILD.gn
@@ -15,4 +15,4 @@ group("test") {
   testonly = true
 
   deps = [ "unittest:unittest" ]
-}
\ No newline at end of file
+}
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index 888ae7f7..13ab7c3f 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -109,4 +109,4 @@ if (defined(ohos_lite)) {
 
     part_name = "device_manager_base"
   }
-}
\ No newline at end of file
+}