diff --git a/monitor/src/main/java/com/zfoo/monitor/model/DiskFileSystem.java b/monitor/src/main/java/com/zfoo/monitor/DiskFileSystem.java
similarity index 98%
rename from monitor/src/main/java/com/zfoo/monitor/model/DiskFileSystem.java
rename to monitor/src/main/java/com/zfoo/monitor/DiskFileSystem.java
index 53ca2cdf..393f5750 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/DiskFileSystem.java
+++ b/monitor/src/main/java/com/zfoo/monitor/DiskFileSystem.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 import com.zfoo.monitor.util.OSUtils;
 import com.zfoo.protocol.util.IOUtils;
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/DiskStorage.java b/monitor/src/main/java/com/zfoo/monitor/DiskStorage.java
similarity index 97%
rename from monitor/src/main/java/com/zfoo/monitor/model/DiskStorage.java
rename to monitor/src/main/java/com/zfoo/monitor/DiskStorage.java
index a123a3ec..ef077840 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/DiskStorage.java
+++ b/monitor/src/main/java/com/zfoo/monitor/DiskStorage.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 /**
  * @author godotg
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/JvmMemory.java b/monitor/src/main/java/com/zfoo/monitor/JvmMemory.java
similarity index 68%
rename from monitor/src/main/java/com/zfoo/monitor/model/JvmMemory.java
rename to monitor/src/main/java/com/zfoo/monitor/JvmMemory.java
index 12fa4652..bdab42a0 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/JvmMemory.java
+++ b/monitor/src/main/java/com/zfoo/monitor/JvmMemory.java
@@ -1,4 +1,16 @@
-package com.zfoo.monitor.model;
+/*
+ * Copyright (C) 2020 The zfoo Authors
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ */
+
+package com.zfoo.monitor;
 
 import com.zfoo.protocol.util.IOUtils;
 
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/Memory.java b/monitor/src/main/java/com/zfoo/monitor/Memory.java
similarity index 98%
rename from monitor/src/main/java/com/zfoo/monitor/model/Memory.java
rename to monitor/src/main/java/com/zfoo/monitor/Memory.java
index def97e96..0744f7e7 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/Memory.java
+++ b/monitor/src/main/java/com/zfoo/monitor/Memory.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 import com.zfoo.monitor.util.OSUtils;
 import com.zfoo.protocol.util.IOUtils;
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/Monitor.java b/monitor/src/main/java/com/zfoo/monitor/Monitor.java
similarity index 99%
rename from monitor/src/main/java/com/zfoo/monitor/model/Monitor.java
rename to monitor/src/main/java/com/zfoo/monitor/Monitor.java
index fd46af82..008e499a 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/Monitor.java
+++ b/monitor/src/main/java/com/zfoo/monitor/Monitor.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 import com.zfoo.monitor.util.OSUtils;
 import com.zfoo.protocol.collection.CollectionUtils;
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/Sar.java b/monitor/src/main/java/com/zfoo/monitor/Sar.java
similarity index 99%
rename from monitor/src/main/java/com/zfoo/monitor/model/Sar.java
rename to monitor/src/main/java/com/zfoo/monitor/Sar.java
index 4e91eba7..8dd174a1 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/Sar.java
+++ b/monitor/src/main/java/com/zfoo/monitor/Sar.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 import com.zfoo.protocol.util.StringUtils;
 import com.zfoo.scheduler.util.TimeUtils;
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/SystemInfo.java b/monitor/src/main/java/com/zfoo/monitor/SystemInfo.java
similarity index 72%
rename from monitor/src/main/java/com/zfoo/monitor/model/SystemInfo.java
rename to monitor/src/main/java/com/zfoo/monitor/SystemInfo.java
index d095233b..4ec8c768 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/SystemInfo.java
+++ b/monitor/src/main/java/com/zfoo/monitor/SystemInfo.java
@@ -1,4 +1,16 @@
-package com.zfoo.monitor.model;
+/*
+ * Copyright (C) 2020 The zfoo Authors
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ */
+
+package com.zfoo.monitor;
 
 public class SystemInfo {
 
diff --git a/monitor/src/main/java/com/zfoo/monitor/model/Uptime.java b/monitor/src/main/java/com/zfoo/monitor/Uptime.java
similarity index 98%
rename from monitor/src/main/java/com/zfoo/monitor/model/Uptime.java
rename to monitor/src/main/java/com/zfoo/monitor/Uptime.java
index 3151bee8..bc48d0df 100644
--- a/monitor/src/main/java/com/zfoo/monitor/model/Uptime.java
+++ b/monitor/src/main/java/com/zfoo/monitor/Uptime.java
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2020 The zfoo Authors
- *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
@@ -11,7 +10,7 @@
  * See the License for the specific language governing permissions and limitations under the License.
  */
 
-package com.zfoo.monitor.model;
+package com.zfoo.monitor;
 
 import com.zfoo.monitor.util.OSUtils;
 import com.zfoo.protocol.util.StringUtils;
diff --git a/monitor/src/main/java/com/zfoo/monitor/util/JvmUtils.java b/monitor/src/main/java/com/zfoo/monitor/util/JvmUtils.java
index bcb5a83a..5ebbe1ec 100644
--- a/monitor/src/main/java/com/zfoo/monitor/util/JvmUtils.java
+++ b/monitor/src/main/java/com/zfoo/monitor/util/JvmUtils.java
@@ -1,6 +1,6 @@
 package com.zfoo.monitor.util;
 
-import com.zfoo.monitor.model.JvmMemory;
+import com.zfoo.monitor.JvmMemory;
 
 import java.lang.management.*;
 import java.util.ArrayList;
diff --git a/monitor/src/main/java/com/zfoo/monitor/util/OSUtils.java b/monitor/src/main/java/com/zfoo/monitor/util/OSUtils.java
index b864f298..3c9f05f0 100644
--- a/monitor/src/main/java/com/zfoo/monitor/util/OSUtils.java
+++ b/monitor/src/main/java/com/zfoo/monitor/util/OSUtils.java
@@ -13,7 +13,7 @@
 
 package com.zfoo.monitor.util;
 
-import com.zfoo.monitor.model.*;
+import com.zfoo.monitor.*;
 import com.zfoo.protocol.util.IOUtils;
 import com.zfoo.protocol.util.StringUtils;
 import com.zfoo.scheduler.util.TimeUtils;