diff --git a/pages/study/exam.vue b/pages/study/exam.vue
index d1bc2af..b7d9651 100644
--- a/pages/study/exam.vue
+++ b/pages/study/exam.vue
@@ -92,8 +92,8 @@
 			if(this.examId){
 				this.loadExamInfo();
 			}
-			this.debouncedPresent = this.debounce(this.present, 500);
-			this.confirmStop = this.debounce(this.submitTest,500)
+			this.debouncedPresent = this.throttle(this.present, 5000);
+			this.confirmStop = this.throttle(this.submitTest,5000)
 		},
 	    methods: {
 			changeTimer(){
@@ -352,16 +352,16 @@
 			     }
 			  })
 			},
-			debounce(func, delay) {
-			  let timerId;
-			  return function (...args) {
-				if (timerId) clearTimeout(timerId);
-				timerId = setTimeout(() => {
-				  func.apply(this, args);
-				  timerId = null;
-				}, delay);
-			  };
-			},
+      throttle(func, delay) {
+        let lastExecTime = 0;
+        return function (...args) {
+          const now = Date.now();
+          if (now - lastExecTime >= delay) {
+            func.apply(this, args);
+            lastExecTime = now;
+          }
+        };
+      },
             present(){
 				let $this=this;
 				let score=this.countTest();