fix:修改测试出的问题

src/components/menubar.vue

@@ -49,9 +49,22 @@ export default {
 
   },
   mounted() {
-    window.addEventListener("keydown",this.handlekeydown)
+    // 仅在挂载时注册总线，不在这里绑定全局键盘事件（避免 KeepAlive 导致的重复/遗留绑定）
     EventBus.on('SetMenubutton',this.setbutton);
   },
+  activated() {
+    // 仅在当前页面处于激活状态时绑定
+    window.addEventListener("keydown", this.handlekeydown);
+  },
+  deactivated() {
+    // 从可见切换为缓存（隐藏）时，解绑，避免隐藏页误触发
+    window.removeEventListener("keydown", this.handlekeydown);
+  },
+  beforeUnmount() {
+    // 彻底卸载时，兜底解绑
+    window.removeEventListener("keydown", this.handlekeydown);
+    EventBus.off && EventBus.off('SetMenubutton', this.setbutton);
+  },
   methods: {
     setbutton(command){
       if (command.name == "DC"){
@@ -83,7 +96,21 @@ export default {
       this.$emit("menubalclicked", command)
     },
     handlekeydown(event) {
-      // console.log(event.key);
+      // 在可编辑环境中不触发应用快捷键
+      const t = event.target || {};
+      const tag = (t.tagName || '').toLowerCase();
+      const isEditable = t.isContentEditable || tag === 'input' || tag === 'textarea' || tag === 'select';
+      if (isEditable) return;
+
+      // 只处理来自本应用根节点(#app)内的事件，忽略外部悬浮窗/插件
+      const appRoot = document.getElementById('app');
+      if (!appRoot || !appRoot.contains(event.target)) return;
+
+      // 不劫持系统复制快捷键 Ctrl+C
+      if (event.ctrlKey && !event.shiftKey && (event.key === 'c' || event.key === 'C')) {
+        return;
+      }
+
       if (event.ctrlKey) {
         if (event.key == "n" || event.key == "N") {
           this.onmenuclick('Set', 'Workmode');
@@ -94,11 +121,10 @@ export default {
         if (event.key == "w" || event.key == "W") {
           this.onmenuclick('Set', 'Weavelenth');
         }
-        if (event.key == "c" || event.key == "C") {
+        // 将“定标”快捷键改为 Ctrl + Shift + C，避免与系统复制冲突
+        if (event.shiftKey && (event.key == "c" || event.key == "C")) {
           this.onmenuclick('Set', 'Calibrate');
         }
-
-
       }
     }
   }