diff --git a/pages/study/exam.vue b/pages/study/exam.vue
index 1ff3b74..ccc0eaa 100644
--- a/pages/study/exam.vue
+++ b/pages/study/exam.vue
@@ -31,7 +31,7 @@
         </view>
 		<view style="height: 50px;"></view>
         <view v-if="!stop" class="bottom-btns">
-            <u-button type="success" text="提交" class="sub" @click="present"></u-button>
+            <u-button type="success" text="提交" class="sub" @click="debouncedPresent"></u-button>
 			<u-button type="info" text="上一题" @click="prevSub" class="next" v-if="curIndex>0"></u-button>
             <u-button type="primary" text="下一题" @click="nextSub" class="next" v-if="curIndex<(total-1)"></u-button>
         </view>
@@ -230,9 +230,9 @@
 					}
 				}
 			},
-			confirmStop(){
-				this.submitTest();
-			},
+			// confirmStop(){
+			// 	this.submitTest()
+			// },
 			cancelStop(){
 				//应该返回课程面页
 				this.confirmFinish();
@@ -350,6 +350,16 @@
 			     }
 			  })
 			},
+			debounce(func, delay) {
+			  let timerId;
+			  return function (...args) {
+				if (timerId) clearTimeout(timerId);
+				timerId = setTimeout(() => {
+				  func.apply(this, args);
+				  timerId = null;
+				}, delay);
+			  };
+			},
             present(){
 				let $this=this;
 				let score=this.countTest();
@@ -386,7 +396,11 @@
 				
 				
 			}
-        }
+        },
+		created() {
+			this.debouncedPresent = this.debounce(this.present, 500);
+			this.confirmStop = this.debounce(this.submitTest,500)
+		},
 
     }
 </script>