diff --git a/.github/workflows/container_release_unified.yml b/.github/workflows/container_release_unified.yml
index c7aa648fd..9e3a0a451 100644
--- a/.github/workflows/container_release_unified.yml
+++ b/.github/workflows/container_release_unified.yml
@@ -224,3 +224,4 @@ jobs:
           echo "✓ Successfully copied ${{ matrix.variant }} to Docker Hub"
 
 
+
diff --git a/.github/workflows/s3-filer-group-tests.yml b/.github/workflows/s3-filer-group-tests.yml
index 5a81afe90..ca15ff8fc 100644
--- a/.github/workflows/s3-filer-group-tests.yml
+++ b/.github/workflows/s3-filer-group-tests.yml
@@ -83,3 +83,4 @@ jobs:
           path: test/s3/filer_group/weed-test*.log
           retention-days: 3
 
+
diff --git a/.github/workflows/sftp-tests.yml b/.github/workflows/sftp-tests.yml
index 9467bda2e..fe513835b 100644
--- a/.github/workflows/sftp-tests.yml
+++ b/.github/workflows/sftp-tests.yml
@@ -91,3 +91,4 @@ jobs:
         echo "| readonly | /public | Read-only |" >> $GITHUB_STEP_SUMMARY
 
 
+
diff --git a/test/metadata_subscribe/Makefile b/test/metadata_subscribe/Makefile
index 93ee69202..6056b1f28 100644
--- a/test/metadata_subscribe/Makefile
+++ b/test/metadata_subscribe/Makefile
@@ -25,3 +25,4 @@ test-resume: build-weed
 clean:
 	rm -f ../../weed/weed
 
+
diff --git a/test/metadata_subscribe/README.md b/test/metadata_subscribe/README.md
index 48e900839..74e2e52f7 100644
--- a/test/metadata_subscribe/README.md
+++ b/test/metadata_subscribe/README.md
@@ -47,3 +47,4 @@ go test -v -timeout 5m ./test/metadata_subscribe/...
 - Tests create temporary directories that are cleaned up after completion
 - Tests use ports 9333 (master), 8080 (volume), 8888 (filer)
 
+
diff --git a/test/s3/etag/README.md b/test/s3/etag/README.md
index 215a43c0a..0153b7e7f 100644
--- a/test/s3/etag/README.md
+++ b/test/s3/etag/README.md
@@ -90,3 +90,4 @@ These tests use **AWS SDK v2 for Go**, which has the same ETag validation behavi
 - [GitHub Issue #7768](https://github.com/seaweedfs/seaweedfs/issues/7768)
 - [AWS S3 ETag Documentation](https://docs.aws.amazon.com/AmazonS3/latest/API/API_Object.html)
 
+
diff --git a/test/s3/etag/test_config.json b/test/s3/etag/test_config.json
index 268a54787..51d1eea21 100644
--- a/test/s3/etag/test_config.json
+++ b/test/s3/etag/test_config.json
@@ -17,3 +17,4 @@
   }
 }
 
+
diff --git a/test/s3/filer_group/test_config.json b/test/s3/filer_group/test_config.json
index 3e0f8f17c..34a4e5d66 100644
--- a/test/s3/filer_group/test_config.json
+++ b/test/s3/filer_group/test_config.json
@@ -5,4 +5,4 @@
   "secret_key": "some_secret_key1",
   "region": "us-east-1",
   "filer_group": "testgroup"
-}
\ No newline at end of file
+}
diff --git a/test/sftp/README.md b/test/sftp/README.md
index 17b5e67c7..0a8f98276 100644
--- a/test/sftp/README.md
+++ b/test/sftp/README.md
@@ -90,3 +90,4 @@ To debug test failures:
    ```
 
 
+
diff --git a/test/sftp/testdata/userstore.json b/test/sftp/testdata/userstore.json
index 66d78dd1d..2ffa84539 100644
--- a/test/sftp/testdata/userstore.json
+++ b/test/sftp/testdata/userstore.json
@@ -35,3 +35,4 @@
 ]
 
 
+
diff --git a/weed/filer/empty_folder_cleanup/cleanup_queue.go b/weed/filer/empty_folder_cleanup/cleanup_queue.go
index f92af389d..aabcaeaf9 100644
--- a/weed/filer/empty_folder_cleanup/cleanup_queue.go
+++ b/weed/filer/empty_folder_cleanup/cleanup_queue.go
@@ -205,3 +205,4 @@ func (q *CleanupQueue) OldestAge() time.Duration {
 }
 
 
+
diff --git a/weed/filer/empty_folder_cleanup/cleanup_queue_test.go b/weed/filer/empty_folder_cleanup/cleanup_queue_test.go
index 2effa3138..1295fa0d4 100644
--- a/weed/filer/empty_folder_cleanup/cleanup_queue_test.go
+++ b/weed/filer/empty_folder_cleanup/cleanup_queue_test.go
@@ -369,3 +369,4 @@ func TestCleanupQueue_Concurrent(t *testing.T) {
 }
 
 
+
diff --git a/weed/iam/helpers.go b/weed/iam/helpers.go
index 02b5fe5b4..e05219149 100644
--- a/weed/iam/helpers.go
+++ b/weed/iam/helpers.go
@@ -124,3 +124,4 @@ func MaskAccessKey(accessKeyId string) string {
 	return accessKeyId
 }
 
+
diff --git a/weed/iam/helpers_test.go b/weed/iam/helpers_test.go
index c9913d28a..6b6744475 100644
--- a/weed/iam/helpers_test.go
+++ b/weed/iam/helpers_test.go
@@ -133,3 +133,4 @@ func TestMaskAccessKey(t *testing.T) {
 	}
 }
 
+
diff --git a/weed/s3api/s3_constants/buckets.go b/weed/s3api/s3_constants/buckets.go
index a10cf0f50..97f86d569 100644
--- a/weed/s3api/s3_constants/buckets.go
+++ b/weed/s3api/s3_constants/buckets.go
@@ -4,3 +4,4 @@ const (
 	// DefaultBucketsPath is the default path for S3 buckets in the filer
 	DefaultBucketsPath = "/buckets"
 )
+
diff --git a/weed/s3api/s3_constants/header_test.go b/weed/s3api/s3_constants/header_test.go
index b16cfc6a8..f1cb06fac 100644
--- a/weed/s3api/s3_constants/header_test.go
+++ b/weed/s3api/s3_constants/header_test.go
@@ -130,3 +130,4 @@ func TestRemoveDuplicateSlashes(t *testing.T) {
 	}
 }
 
+
diff --git a/weed/wdclient/masterclient_test.go b/weed/wdclient/masterclient_test.go
index d88de40c1..bf992e884 100644
--- a/weed/wdclient/masterclient_test.go
+++ b/weed/wdclient/masterclient_test.go
@@ -102,3 +102,4 @@ func TestMasterClientFilerGroupLogging(t *testing.T) {
 	}
 }
 
+