send enter fix

wavecontrol-test/src/hand_landmark/gesture_handler.ts

@@ -122,6 +122,9 @@ export class GestureHandler {
   private lastClickTime: number = 0; // 上次点击时间戳（用于点击节流）
   private readonly CLICK_INTERVAL = 500; // 点击最小间隔（ms）
 
+  private lastkeyTime: number = 0;
+  private readonly sendkeyINTERVAL = 1500; // 全屏切换间隔
+
   private app_store: any; // 存储应用状态，比如视频宽高、边界设置等
 
   constructor() {
@@ -212,10 +215,10 @@ export class GestureHandler {
     try {
       const key_str = this.app_store.config.four_fingers_up_send || "f";
       const now = Date.now();
-      if (now - this.lastFullScreenTime < this.FULL_SCREEN_INTERVAL) {
+      if (now - this.lastkeyTime < this.sendkeyINTERVAL) {
         return;
       }
-      this.lastFullScreenTime = now;
+      this.lastkeyTime = now;
 
       this.triggerAction.sendKeys(key_str);
     } catch (error) {