diff --git a/pkg/ddc/alluxio/hcfs_test.go b/pkg/ddc/alluxio/hcfs_test.go
index 0510e6ef44a..b60783e801b 100644
--- a/pkg/ddc/alluxio/hcfs_test.go
+++ b/pkg/ddc/alluxio/hcfs_test.go
@@ -200,6 +200,9 @@ func TestQueryHCFSEndpoint(t *testing.T) {
 	}
 }
 
+// TestCompatibleUFSVersion tests the compatibility of the UFS (Under File System) version
+// by mocking the execution of commands in a container. It verifies that the function
+// queryCompatibleUFSVersion returns the expected output based on the mocked command execution results.
 func TestCompatibleUFSVersion(t *testing.T) {
 	mockExecCommon := func(ctx context.Context, podName string, containerName string, namespace string, cmd []string) (stdout string, stderr string, e error) {
 		return "conf", "", nil