diff --git a/src/main/java/net/micode/notes/gtask/data/Task.java b/src/main/java/net/micode/notes/gtask/data/Task.java
index 6a19454..4d68293 100644
--- a/src/main/java/net/micode/notes/gtask/data/Task.java
+++ b/src/main/java/net/micode/notes/gtask/data/Task.java
@@ -32,7 +32,7 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 
-public class Task extends Node {
+public class Task extends Node {//继承Node类的属性
     private static final String TAG = Task.class.getSimpleName();
 
     private boolean mCompleted;
@@ -54,7 +54,7 @@ public class Task extends Node {
         mMetaInfo = null;
     }
 
-    public JSONObject getCreateAction(int actionId) {
+    public JSONObject getCreateAction(int actionId) {//创建一个初始的任务对象，并对它赋初值
         JSONObject js = new JSONObject();
 
         try {
@@ -103,7 +103,7 @@ public class Task extends Node {
         return js;
     }
 
-    public JSONObject getUpdateAction(int actionId) {
+    public JSONObject getUpdateAction(int actionId) {//更新任务
         JSONObject js = new JSONObject();
 
         try {
@@ -120,7 +120,7 @@ public class Task extends Node {
             // entity_delta
             JSONObject entity = new JSONObject();
             entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
-            if (getNotes() != null) {
+            if (getNotes() != null) {//如果笔记不为空，更新笔记
                 entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
             }
             entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
@@ -135,11 +135,11 @@ public class Task extends Node {
         return js;
     }
 
-    public void setContentByRemoteJSON(JSONObject js) {
+    public void setContentByRemoteJSON(JSONObject js) {//通过远端的json设置内容的值
         if (js != null) {
             try {
                 // id
-                if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
+                if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {//如果值已经被json对象所具备，则直接进行设置
                     setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
                 }
 
@@ -175,7 +175,7 @@ public class Task extends Node {
         }
     }
 
-    public void setContentByLocalJSON(JSONObject js) {
+    public void setContentByLocalJSON(JSONObject js) {//通过本地的json文件来设置内容
         if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
                 || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
             Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
@@ -204,7 +204,7 @@ public class Task extends Node {
         }
     }
 
-    public JSONObject getLocalJSONFromContent() {
+    public JSONObject getLocalJSONFromContent() {//通过本地的内容，生成json文件
         String name = getName();
         try {
             if (mMetaInfo == null) {
@@ -216,7 +216,7 @@ public class Task extends Node {
 
                 JSONObject js = new JSONObject();
                 JSONObject note = new JSONObject();
-                JSONArray dataArray = new JSONArray();
+                JSONArray dataArray = new JSONArray();//声明所有所要用到的变量
                 JSONObject data = new JSONObject();
                 data.put(DataColumns.CONTENT, name);
                 dataArray.put(data);
@@ -227,7 +227,7 @@ public class Task extends Node {
             } else {
                 // synced task
                 JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
-                JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
+                JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);//提取出所有的信息
 
                 for (int i = 0; i < dataArray.length(); i++) {
                     JSONObject data = dataArray.getJSONObject(i);
@@ -258,11 +258,11 @@ public class Task extends Node {
         }
     }
 
-    public int getSyncAction(Cursor c) {
+    public int getSyncAction(Cursor c) {//同步缓存
         try {
             JSONObject noteInfo = null;
             if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
-                noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
+                noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);//更新到最新的笔记信息
             }
 
             if (noteInfo == null) {
@@ -311,14 +311,14 @@ public class Task extends Node {
         return SYNC_ACTION_ERROR;
     }
 
-    public boolean isWorthSaving() {
+    public boolean isWorthSaving() {//只要有信息就认为是值得保存的，返回true
         return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
                 || (getNotes() != null && getNotes().trim().length() > 0);
     }
 
     public void setCompleted(boolean completed) {
         this.mCompleted = completed;
-    }
+    }//进行前面使用过的调用函数返回值的对应
 
     public void setNotes(String notes) {
         this.mNotes = notes;
diff --git a/src/main/java/net/micode/notes/gtask/data/TaskList.java b/src/main/java/net/micode/notes/gtask/data/TaskList.java
index 4ea21c5..95d6bf5 100644
--- a/src/main/java/net/micode/notes/gtask/data/TaskList.java
+++ b/src/main/java/net/micode/notes/gtask/data/TaskList.java
@@ -30,17 +30,17 @@ import org.json.JSONObject;
 import java.util.ArrayList;
 
 
-public class TaskList extends Node {
+public class TaskList extends Node {//同Task一样，继承了Node
     private static final String TAG = TaskList.class.getSimpleName();
 
     private int mIndex;
 
-    private ArrayList<Task> mChildren;
+    private ArrayList<Task> mChildren;//内部含有一个Task的列，是任务的序列
 
     public TaskList() {
         super();
         mChildren = new ArrayList<Task>();
-        mIndex = 1;
+        mIndex = 1;//初始化
     }
 
     public JSONObject getCreateAction(int actionId) {
@@ -74,7 +74,7 @@ public class TaskList extends Node {
         return js;
     }
 
-    public JSONObject getUpdateAction(int actionId) {
+    public JSONObject getUpdateAction(int actionId) {//更新行动与Task中定义的基本一样
         JSONObject js = new JSONObject();
 
         try {
@@ -104,7 +104,7 @@ public class TaskList extends Node {
     }
 
     public void setContentByRemoteJSON(JSONObject js) {
-        if (js != null) {
+        if (js != null) {//类似的通过远端更新内容
             try {
                 // id
                 if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
@@ -129,7 +129,7 @@ public class TaskList extends Node {
         }
     }
 
-    public void setContentByLocalJSON(JSONObject js) {
+    public void setContentByLocalJSON(JSONObject js) {//通过本地文件更新内容
         if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
             Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
         }
@@ -215,26 +215,26 @@ public class TaskList extends Node {
 
         return SYNC_ACTION_ERROR;
     }
-
+//以上都与task定义类似
     public int getChildTaskCount() {
         return mChildren.size();
     }
 
     public boolean addChildTask(Task task) {
         boolean ret = false;
-        if (task != null && !mChildren.contains(task)) {
+        if (task != null && !mChildren.contains(task)) {//任务不为空，并且还不在列表中，则将其加入
             ret = mChildren.add(task);
-            if (ret) {
+            if (ret) {//成功加入以后继续设置关系
                 // need to set prior sibling and parent
                 task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
                         .get(mChildren.size() - 1));
-                task.setParent(this);
+                task.setParent(this);//设置任务的父子关系
             }
         }
         return ret;
     }
 
-    public boolean addChildTask(Task task, int index) {
+    public boolean addChildTask(Task task, int index) {//更进一步的实现在指定索引位置插入任务
         if (index < 0 || index > mChildren.size()) {
             Log.e(TAG, "add child task: invalid index");
             return false;
@@ -260,9 +260,9 @@ public class TaskList extends Node {
         return true;
     }
 
-    public boolean removeChildTask(Task task) {
+    public boolean removeChildTask(Task task) {//移除子任务
         boolean ret = false;
-        int index = mChildren.indexOf(task);
+        int index = mChildren.indexOf(task);//查找其索引
         if (index != -1) {
             ret = mChildren.remove(task);
 
@@ -281,7 +281,7 @@ public class TaskList extends Node {
         return ret;
     }
 
-    public boolean moveChildTask(Task task, int index) {
+    public boolean moveChildTask(Task task, int index) {//定向移除对应位置的任务
 
         if (index < 0 || index >= mChildren.size()) {
             Log.e(TAG, "move child task: invalid index");
@@ -299,7 +299,7 @@ public class TaskList extends Node {
         return (removeChildTask(task) && addChildTask(task, index));
     }
 
-    public Task findChildTaskByGid(String gid) {
+    public Task findChildTaskByGid(String gid) {//通过Gid查找任务
         for (int i = 0; i < mChildren.size(); i++) {
             Task t = mChildren.get(i);
             if (t.getGid().equals(gid)) {
@@ -309,7 +309,7 @@ public class TaskList extends Node {
         return null;
     }
 
-    public int getChildTaskIndex(Task task) {
+    public int getChildTaskIndex(Task task) {//获取任务对应的索引
         return mChildren.indexOf(task);
     }
 
@@ -323,7 +323,7 @@ public class TaskList extends Node {
 
     public Task getChilTaskByGid(String gid) {
         for (Task task : mChildren) {
-            if (task.getGid().equals(gid))
+            if (task.getGid().equals(gid))//找到一个gid相符的即为所要的任务
                 return task;
         }
         return null;