diff --git a/pkg/ddc/alluxio/utils_test.go b/pkg/ddc/alluxio/utils_test.go
index e701fe94adf..3a47264079f 100644
--- a/pkg/ddc/alluxio/utils_test.go
+++ b/pkg/ddc/alluxio/utils_test.go
@@ -62,6 +62,7 @@ func TestIsFluidNativeScheme(t *testing.T) {
 	}
 }
 
+
 func TestAlluxioEngine_getInitUserDir(t *testing.T) {
 	type fields struct {
 		runtime       *datav1alpha1.AlluxioRuntime
@@ -105,6 +106,15 @@ func TestAlluxioEngine_getInitUserDir(t *testing.T) {
 	}
 }
 
+
+// TestAlluxioEngine_getInitUsersArgs tests the user initialization parameters generation functionality of utils.GetInitUsersArgs
+//
+// Parameters:
+// - t (*testing.T): Testing context object from Go test framework
+//
+// Returns:
+// - No return value, reports test failures through t.Errorf
+
 func TestAlluxioEngine_getInitUsersArgs(t *testing.T) {
 	type fields struct {
 		runtime *datav1alpha1.AlluxioRuntime
diff --git a/samples/hdfs/target/classes/core-site.xml b/samples/hdfs/target/classes/core-site.xml
new file mode 100644
index 00000000000..aaaa2e5358a
--- /dev/null
+++ b/samples/hdfs/target/classes/core-site.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
+
+<configuration>
+
+    <property>
+        <name>fs.alluxio.impl</name>
+        <value>alluxio.hadoop.FileSystem</value>
+        <description>The Alluxio FileSystem</description>
+    </property>
+
+</configuration>
\ No newline at end of file
diff --git a/samples/hdfs/target/classes/io/fluid/demo/HDFSClient.class b/samples/hdfs/target/classes/io/fluid/demo/HDFSClient.class
new file mode 100644
index 00000000000..5b756a3128e
Binary files /dev/null and b/samples/hdfs/target/classes/io/fluid/demo/HDFSClient.class differ
diff --git a/samples/hdfs/target/classes/log4j.properties b/samples/hdfs/target/classes/log4j.properties
new file mode 100644
index 00000000000..393e0877ec1
--- /dev/null
+++ b/samples/hdfs/target/classes/log4j.properties
@@ -0,0 +1,8 @@
+# Root logger option
+log4j.rootLogger=INFO, stdout
+
+# Direct log messages to stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
\ No newline at end of file