diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegister.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegister.java
new file mode 100644
index 0000000..2c24d93
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegister.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.diframe;public class DiDeviceRegister {
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegisterManager.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegisterManager.java
new file mode 100644
index 0000000..9ce1b19
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceRegisterManager.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.diframe;public class DiDeviceRegisterManager {
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceResourceManager.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceResourceManager.java
new file mode 100644
index 0000000..fc49417
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiDeviceResourceManager.java
@@ -0,0 +1,4 @@
+package com.my.graphiteDigesterBg.diframe;
+public class DiResourceManager {
+
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManager.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManager.java
new file mode 100644
index 0000000..7777b49
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManager.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.diframe;public interface DiResourceManager {
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManagerBase.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManagerBase.java
new file mode 100644
index 0000000..1e8f08d
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiResourceManagerBase.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.diframe;public class DiResourceManagerBase {
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/ResourceManager.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/ResourceManager.java
new file mode 100644
index 0000000..668dbc4
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/ResourceManager.java
@@ -0,0 +1,9 @@
+package com.my.graphiteDigesterBg.diframe.util;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+@Retention(RetentionPolicy.RUNTIME)
+@Target({java.lang.annotation.ElementType.TYPE})
+public @interface ResourceManager {
+    String name();
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiByteBuffer.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiByteBuffer.java
new file mode 100644
index 0000000..a09e94e
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiByteBuffer.java
@@ -0,0 +1,4 @@
+package com.my.graphiteDigesterBg.diframe.util;
+public class MyByteBuffer {
+    
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/util/ClassHelper.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiClassHelper.java
similarity index 100%
rename from src/src/main/java/com/my/graphiteDigesterBg/diframe/util/ClassHelper.java
rename to src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiClassHelper.java
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlot.java b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlot.java
new file mode 100644
index 0000000..ae8f77a
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlot.java
@@ -0,0 +1,4 @@
+package com.my.graphiteDigesterBg.resource;
+public class HeatingTubeRackSlot {
+
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java
new file mode 100644
index 0000000..a7c0d1b
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java
@@ -0,0 +1,10 @@
+package com.my.graphiteDigesterBg.resource;
+import com.my.graphiteDigesterBg.diframe.DiResourceManagerBase;
+import com.my.graphiteDigesterBg.diframe.util.ResourceManager;
+@ResourceManager(name="HeatingTubeRackSlot")
+public class HeatingTubeRackSlotManager extends DiResourceManagerBase {
+    // get free slot
+    public HeatingTubeRackSlot getFreeSlot() {
+        return null;
+    }
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/task/TaskSampleAdd.java b/src/src/main/java/com/my/graphiteDigesterBg/task/TaskSampleAdd.java
new file mode 100644
index 0000000..76fe694
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/task/TaskSampleAdd.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.task;public class TaskSampleAdd {
+}
diff --git a/src/src/main/java/com/my/graphiteDigesterBg/task/TaskStartReset.java b/src/src/main/java/com/my/graphiteDigesterBg/task/TaskStartReset.java
new file mode 100644
index 0000000..6fb042d
--- /dev/null
+++ b/src/src/main/java/com/my/graphiteDigesterBg/task/TaskStartReset.java
@@ -0,0 +1,2 @@
+package com.my.graphiteDigesterBg.task;public class TaskStartReset {
+}
diff --git a/src/src/main/resources/device.yml b/src/src/main/resources/device.yml
new file mode 100644
index 0000000..e69de29
diff --git a/src/web/src/utils/ApiClient.js b/src/web/src/utils/ApiClient.js
new file mode 100644
index 0000000..3cde90c
--- /dev/null
+++ b/src/web/src/utils/ApiClient.js
@@ -0,0 +1,36 @@
+import axios from 'axios';
+export default class ApiClient {
+    // client instance
+    static client = null;
+
+    /**
+     * get client instance
+     * @returns {ApiClient}
+     */
+    static getClient() {
+        if (ApiClient.client === null) {
+            ApiClient.client = new ApiClient();
+        }
+        return ApiClient.client;
+    }
+
+    // constructor
+    constructor() {
+
+    }
+
+    // call api
+    async call( name, params ) {
+        debugger;
+        const response = await axios.post(`/api/${name}`, params);
+        return response.data;
+    }
+
+    // append task
+    async taskAppend( name, params={} ) {
+        return await this.call('task.append', {
+            name: name,
+            params: params,
+        });
+    }
+}
\ No newline at end of file