diff --git a/Project/Src/MyWin/MyWinCore/mywin.c b/Project/Src/MyWin/MyWinCore/mywin.c
index db99f08..0f7fd62 100644
--- a/Project/Src/MyWin/MyWinCore/mywin.c
+++ b/Project/Src/MyWin/MyWinCore/mywin.c
@@ -193,12 +193,8 @@ int WIN_CreatWindowExt(WIN_WindowStruct *win, WIN_WindowStruct *base,
 void WIN_DeleteWindow(WIN_WindowStruct *win) {
 
   // 调用子窗口的销毁函数
-  //	for (int i=0;i<win->chidWinNum;i++)
-  //	{
-  //		(win->chidWin[i])->deleteWindow(win->chidWin[i]);
-  //	}
   while (win->chidWinNum) {
-    (win->chidWin[0])->deleteWindow(win->chidWin[0]);
+    (win->chid)->deleteWindow(win->chid);
   }
 
   // 在父窗口的窗口列表中删除
@@ -293,10 +289,12 @@ WIN_WindowStruct *WIN_GetWindowStructById(WIN_WindowStruct *win, u32 id) {
   if (win->id == id) {
     return win;
   } else {
+    WIN_WindowStruct *prev = WIN_GetLastChidWin(win);
     for (int i = win->chidWinNum; i > 0; i--) {
-      if (ret = WIN_GetWindowStructById(win->chidWin[i - 1], id), ret) {
+      if (ret = WIN_GetWindowStructById(prev, id), ret) {
         return ret;
       }
+      prev = prev->prev;
     }
   }
   return ret;
@@ -304,16 +302,23 @@ WIN_WindowStruct *WIN_GetWindowStructById(WIN_WindowStruct *win, u32 id) {
 
 // 从子窗口列表中删除指定窗口
 int WIN_DelFromChidList(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
+  WIN_WindowStruct *next = win->chid;
   for (int i = 0; i < win->chidWinNum; i++) {
-    if (win->chidWin[i] == chidWin) {
-      win->chidWin[i] = 0;                 // 删除这一个
-      for (; i < win->chidWinNum - 1; i++) // 后面的向前移
-      {
-        win->chidWin[i] = win->chidWin[i + 1];
+    if (next == chidWin) {
+      if(next != win->chid) {
+        next->prev->next = next->next;
+      } else {
+        win->chid = next->next;
+      }
+      if(next->next){
+        next->next->prev = next->prev;
+      }else{
+        win->chid->prev = next->prev;
       }
       win->chidWinNum--; // 子窗口个数减一
       return 0;
     }
+    next = next->next;
   }
   return -1;
 }
@@ -321,17 +326,27 @@ int WIN_DelFromChidList(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
 // 把指定子窗口设置为最高
 int WIN_SetChidWinTop(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
   WIN_WindowStruct *t = 0;
+  WIN_WindowStruct *next = win->chid;
   for (int i = 0; i < win->chidWinNum; i++) {
-    if (win->chidWin[i] == chidWin) {
-      t = win->chidWin[i];
-      win->chidWin[i] = 0;             // 删除这一个
-      for (; i < win->chidWinNum; i++) // 后面的向前移
-      {
-        win->chidWin[i] = win->chidWin[i + 1];
+    if (next == chidWin) {
+      t = next;
+      if(next != win->chid) {
+        next->prev->next = next->next;
+      } else {
+        win->chid = next->next;
       }
-      win->chidWin[win->chidWinNum - 1] = t; // 设置为最后一个
+      if(next->next){
+        next->next->prev = next->prev;
+      }else{
+        win->chid->prev = next->prev;
+      }
+      t->next = 0;
+      t->prev = win->chid->prev;
+      win->chid->prev->next = t;
+      win->chid->prev = t;
       return 0;
     }
+    next = next->next;
   }
   return -1;
 }
@@ -339,7 +354,14 @@ int WIN_SetChidWinTop(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
 // 添加窗口到子窗口列表中
 int WIN_AddToChidList(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
   if (win->chidWinNum < win->chidWinMaxSize) {
-    win->chidWin[win->chidWinNum] = chidWin;
+    chidWin->next = 0;
+    if(win->chid == 0){
+      win->chid = chidWin;
+    }else{
+      chidWin->prev = win->chid->prev;
+      win->chid->prev->next = chidWin;
+    }
+    win->chid->prev = chidWin;
     win->chidWinNum++;
     return 0;
   } else {
@@ -349,9 +371,11 @@ int WIN_AddToChidList(WIN_WindowStruct *win, WIN_WindowStruct *chidWin) {
 
 // 判断目标窗口是不是子窗口，是返回1
 int WIN_CheckChidWin(WIN_WindowStruct *win, WIN_WindowStruct *chid) {
+  WIN_WindowStruct *next = win->chid;
   for (int i = 0; i < win->chidWinNum; i++) {
-    if (win->chidWin[i] == chid)
+    if (next == chid)
       return 1;
+    next = next->next;
   }
   return 0;
 }
@@ -429,12 +453,13 @@ WIN_WindowStruct *WIN_GetCurrentWindow(void) {
 // 找到顶端可控窗口
 WIN_WindowStruct *WIN_FindTopWin(WIN_WindowStruct *win) {
   WIN_WindowStruct *ret = 0;
-
+  WIN_WindowStruct *prev = WIN_GetLastChidWin(win);
   if (win && (win->chidWinNum)) {
     for (int i = win->chidWinNum; i > 0; i--) {
-      ret = WIN_FindTopWin(win->chidWin[i - 1]);
+      ret = WIN_FindTopWin(prev);
       if (ret)
         return ret;
+      prev = prev->prev;
     }
   }
   // 本窗口接受消息处理并且不是子窗口
@@ -450,10 +475,12 @@ int WIN_FindBlock(WIN_WindowStruct *win) {
   RECT_Struct r2 = {0};
   WIN_WindowStruct *top = 0;
   WIN_WindowStruct *base = win->baseWin;
+  WIN_WindowStruct *next = win->chid;
+  WIN_WindowStruct *prev;
 
   // 该窗口被遮挡只可能是其子窗口和其同辈父辈窗口
   for (int i = 0; i < win->chidWinNum; i++) {
-    top = win->chidWin[i];
+    top = next;
     if ((top->keyShield == 1) || (top->keyChid == 1))
       continue;
     r1.x = 0;
@@ -467,10 +494,12 @@ int WIN_FindBlock(WIN_WindowStruct *win) {
     if (POS_RectIntersection(&r1, &r1, &r2)) {
       return 1;
     }
+    next = next->next;
   }
   while (base) {
+    prev = WIN_GetLastChidWin(base);
     for (int i = base->chidWinNum; i > 0; i--) {
-      top = base->chidWin[i - 1];
+      top = prev;
       if (top == win) {
         // 只比较在此窗口之前的窗口
         // 若没有被遮挡，则继续判断其父窗口是否被遮挡
@@ -482,6 +511,7 @@ int WIN_FindBlock(WIN_WindowStruct *win) {
       if (POS_RectIntersection(&r1, &r1, &r2)) {
         return 1;
       }
+      prev = prev->prev;
     }
     base = base->baseWin;
   }
@@ -490,8 +520,10 @@ int WIN_FindBlock(WIN_WindowStruct *win) {
 
 // 屏蔽和接触屏蔽子窗口的按键和键盘消息
 int WIN_SetChildWinkeyShield(WIN_WindowStruct *win, int power) {
+  WIN_WindowStruct *prev = WIN_GetLastChidWin(win);
   for (int i = win->chidWinNum - 1; i >= 0; i--) {
-    win->chidWin[i]->keyShield = power;
+    prev->keyShield = power;
+    prev = prev->prev;
   }
   return 1;
 }
@@ -503,6 +535,7 @@ WIN_WindowStruct *WIN_FindTopWinByPos(WIN_WindowStruct *win, int x, int y) {
   int win_y_s = 0;
   int x_size = win->x_size;
   int y_size = win->y_size;
+  WIN_WindowStruct *prev = WIN_GetLastChidWin(win);
 
   WIN_GetWinPosOnLcd(win, &win_x_s, &win_y_s, &x_size, &y_size);
 
@@ -512,11 +545,12 @@ WIN_WindowStruct *WIN_FindTopWinByPos(WIN_WindowStruct *win, int x, int y) {
     // 在本窗口内，查找是否有子窗口
     // 从最后开始查找，因为越最后的显示在越前面
     for (int i = win->chidWinNum - 1; i >= 0; i--) {
-      t = WIN_FindTopWinByPos(win->chidWin[i], x, y);
+      t = WIN_FindTopWinByPos(prev, x, y);
       if (t) {
         ret = t; // 找到了最前面的窗口
         break;
       }
+      prev = prev->prev;
     }
   } else {
     // 指定点不在本窗口之类
@@ -553,13 +587,15 @@ WIN_WindowStruct *WIN_GetWinByTitle(WIN_WindowStruct *win, char *title) {
   WIN_WindowStruct *ret = 0;
   if (win == 0)
     win = WIN_GetBaseWindow();
+  WIN_WindowStruct *next = win->chid;
 
   if (strcmp(win->winTitle, title) == 0) {
     ret = win;
   } else {
     for (int i = 0; i < win->chidWinNum; i++) {
-      if (ret = WIN_GetWinByTitle(win->chidWin[i], title), ret)
+      if (ret = WIN_GetWinByTitle(next, title), ret)
         break;
+      next = next->next;
     }
   }
 
diff --git a/Project/Src/MyWin/MyWinCore/mywin_msg.c b/Project/Src/MyWin/MyWinCore/mywin_msg.c
index 0345c75..d0e4094 100644
--- a/Project/Src/MyWin/MyWinCore/mywin_msg.c
+++ b/Project/Src/MyWin/MyWinCore/mywin_msg.c
@@ -524,6 +524,8 @@ int WIN_Working(WIN_WindowStruct *win) {
   WIN_MsgStruct msg = {0};
   win->msgLoopEnter++;
   WIN_WindowStruct *winCurrent_old = WIN_GetWinStruct()->winCurrent;
+  WIN_WindowStruct *prev;
+  WIN_WindowStruct *next;
   WIN_GetWinStruct()->winCurrent = win;
   void *msgData = 0;
   while (QUEUE_Out(&win->winMsgQueue, &msg)) {
@@ -541,25 +543,27 @@ int WIN_Working(WIN_WindowStruct *win) {
         continue;
 
       // 同时窗口位置的子窗口也要重绘
+      prev = WIN_GetLastChidWin(win);
       for (int i = win->chidWinNum; i > 0; i--) {
         // 判断这些窗口是否被遮挡
         // 设置为窗口相对坐标
         RECT_Struct ret = {0};
         RECT_Struct r1 = {0};
-        r1.x = win->chidWin[i - 1]->x;
-        r1.y = win->chidWin[i - 1]->y;
-        r1.x_size = win->chidWin[i - 1]->x_size;
-        r1.y_size = win->chidWin[i - 1]->y_size;
+        r1.x = prev->x;
+        r1.y = prev->y;
+        r1.x_size = prev->x_size;
+        r1.y_size = prev->y_size;
         if (POS_RectIntersection(&ret, &r1, &r)) {
-          ret.x -= win->chidWin[i - 1]->x;
-          ret.y -= win->chidWin[i - 1]->y; // 减去窗口定位坐标，2020.2.26
-          WIN_SetInvalidRect(win->chidWin[i - 1], ret.x, ret.y, ret.x_size,
+          ret.x -= prev->x;
+          ret.y -= prev->y; // 减去窗口定位坐标，2020.2.26
+          WIN_SetInvalidRect(prev, ret.x, ret.y, ret.x_size,
                              ret.y_size);
           if (POS_RectSub(&r, &r, &r1) == 0) {
             // 重绘区为0，余下子窗口无需重绘
             break;
           }
         }
+        prev = prev->prev;
       }
 
       // 顶端窗口需要重绘
@@ -604,7 +608,7 @@ int WIN_Working(WIN_WindowStruct *win) {
       // 把点击的窗口调整到最前面
       case MOVE_DATA_TOUCHIN:
         if (win->baseWin) {
-          if (win != win->baseWin->chidWin[win->baseWin->chidWinNum - 1]) {
+          if (win != win->baseWin->chid->prev) {
             // 不是顶端窗口，重绘整个窗口
             if (WIN_SetChidWinTop(win->baseWin, win) == 0)
               WIN_SetInvalid(win);
@@ -630,8 +634,10 @@ int WIN_Working(WIN_WindowStruct *win) {
   } // while (QUEUE_Out (&win->winMsgQueue,&msg))
 
   // 然后子窗口处理消息
-  for (int i = 0; i < win->chidWinNum; i++) {
-    run |= WIN_Working(win->chidWin[i]);
+  next = win->chid;
+  while(next) {
+    run |= WIN_Working(next);
+    next = next->next;
   }
 
   WIN_GetWinStruct()->winCurrent = winCurrent_old;
diff --git a/Project/Src/MyWin/MyWinCore/mywin_type.h b/Project/Src/MyWin/MyWinCore/mywin_type.h
index 2a664c6..b436b16 100644
--- a/Project/Src/MyWin/MyWinCore/mywin_type.h
+++ b/Project/Src/MyWin/MyWinCore/mywin_type.h
@@ -248,12 +248,17 @@ typedef struct _WIN_WindowStruct {
   int chidWinMaxSize;
   int chidWinNum;
   struct _WIN_WindowStruct *baseWin;
-  struct _WIN_WindowStruct *chidWin[WIN_CHIDWIN_MAXNUM];
+  struct _WIN_WindowStruct *prev;
+  struct _WIN_WindowStruct *next;
+  struct _WIN_WindowStruct *chid;
   void (*msgLoop)(struct _WIN_WindowStruct *win, WIN_MsgStruct *msg);
   void (*deleteWindow)(struct _WIN_WindowStruct *win);
   QUEUE_Struct winMsgQueue;
 } WIN_WindowStruct;
 
+// 定义获取最后一个子窗口的宏
+#define WIN_GetLastChidWin(win) (win->chidWinNum > 0 ? win->chid->prev : 0)
+
 // 定义分发按键和触屏消息需要的工作空间结构体
 typedef struct {
   int Touch_long; // 长按检测计数