diff --git a/pages/Demo/index.ux b/pages/Demo/index.ux
index b49cec6..47e57f6 100644
--- a/pages/Demo/index.ux
+++ b/pages/Demo/index.ux
@@ -69,7 +69,6 @@
 </template>
 
 <script>
-import prompt from '@blueos.window.prompt';
 export default {
   data: {
     fromPageData: null,  //转跳输入法前的页面的要保存的数据（转跳页面时传过来一个对象，输入完成后传回去）
@@ -79,6 +78,7 @@ export default {
     sindex: 0,          //键盘滑动位置，实现从候选页返回时可以返回到原页面
     mode: "cn",         //输入模式标记，中文cn，英文en，符号数字标记
     caps: -1,           //大小写标记
+    symbolToggle:-1,
     row1Letters: ["Q","W","E","R","T","Y","U","I","O","P"],
     row2Letters: ["A","S","D","F","G","H","J","K","L"],
     row3Letters: ["Z","X","C","V","B","N","M"],
@@ -94,10 +94,19 @@ export default {
         row3: ["z", "x", "c", "v", "b", "n", "m"]
       },
       sy: {
-        row1: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
-        row2: ["!", "@", "#", "%", "&", "*", "(", ")",","],
-        row3: ["_", "=", "{", "}", "[", "]","。"]
-      }
+    // 默认符号组（较少的符号，保持布局一致）
+    default: {
+      row1: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+      row2: ["!", "@", "#", "%", "&", "*", "(", ")", ","],
+      row3: ["_", "=", "{", "}", "[", "]", "。"]
+    },
+    // 补充符号组（额外的符号）
+    alternate: {
+      row1: ["~", "`", "©", "®", "±", "÷", "×", "/", "\\", "∞"],
+      row2: ["♥", "♦", "♣", "♠", "•", "$", "|", "^", "-"],
+      row3: ["¿", "¡", "∑", "∏", "π", "Ω", "∆"]
+    }
+  }
     },
     currentWords: [],    // 当前显示的候选词
     wordsPageIndex: 0,  // 候选词页码
@@ -129,12 +138,31 @@ export default {
 
     this.currentWords = candidates.slice(this.wordsPageIndex, this.wordsPageIndex + 5);
   },
-  changeToSymbol() {
+changeToSymbol() {
+  // 如果当前已经是符号模式，则切换符号组
+  if (this.mode === 'sy') {
+    // 切换开关状态
+    this.symbolToggle = !this.symbolToggle;
+    if (this.symbolToggle) {
+      // 切换到备用符号组
+      this.row1Letters = this.keyboardModes.sy.alternate.row1;
+      this.row2Letters = this.keyboardModes.sy.alternate.row2;
+      this.row3Letters = this.keyboardModes.sy.alternate.row3;
+    } else {
+      // 切换回默认符号组
+      this.row1Letters = this.keyboardModes.sy.default.row1;
+      this.row2Letters = this.keyboardModes.sy.default.row2;
+      this.row3Letters = this.keyboardModes.sy.default.row3;
+    }
+  } else {
+    // 不是符号模式时，切换到符号模式，默认使用默认符号组
     this.mode = 'sy';
-        this.row1Letters = this.keyboardModes.sy.row1;
-        this.row2Letters = this.keyboardModes.sy.row2;
-        this.row3Letters = this.keyboardModes.sy.row3;
-  },
+    this.symbolToggle = false;  // 重置切换标志
+    this.row1Letters = this.keyboardModes.sy.default.row1;
+    this.row2Letters = this.keyboardModes.sy.default.row2;
+    this.row3Letters = this.keyboardModes.sy.default.row3;
+  }
+},
   changeToEn() {
     if (this.mode === 'en') {
       this.caps = this.caps === 1 ? -1 : 1;
@@ -231,12 +259,6 @@ export default {
   jumpToCandidate() {
     this.sindex = 1;
   },
-  finishInput() {
-    prompt.showToast({
-      message: '输入完成，此处可以storage保存或params然后跳转到你的页面',
-    })
-  },
-  
   touchMove(e) { // swipe处理事件
     if (e.direction == "right") { // 右滑退出
       this.cancel_input()