diff --git a/src/api/curriculum.ts b/src/api/curriculum.ts
index 4a7221e..56ce566 100644
--- a/src/api/curriculum.ts
+++ b/src/api/curriculum.ts
@@ -110,5 +110,9 @@ export const curriculum = {
   /** 学习记录 */
   hourCache(courseId: number, data: HourCacheParam) {
     return request(`/api/v1/course/${courseId}/hour/cache`, "PUT", data)
+  },
+  /** 删除 */
+  delCache(courseId: number) {
+    return request(`/api/v1/course/${courseId}/hour/cache`, "DELETE")
   }
 }
diff --git a/src/components/topic/judge.tsx b/src/components/topic/judge.tsx
index 396b792..181693c 100644
--- a/src/components/topic/judge.tsx
+++ b/src/components/topic/judge.tsx
@@ -9,9 +9,10 @@ interface Props {
   index: number
   validate: boolean
   frequency?: number
+  end: boolean
 }
 
-const Judge: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency}) => {
+const Judge: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency, end}) => {
   const [rightAnswer, setRightAnswer] = useState<string | null>(null) //答案
   const rightKey = data.right_answer ? 'correct' : 'error'  // 正确答案数组
   const [error, setError] = useState(false)
@@ -68,7 +69,7 @@ const Judge: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequen
 
       {onUpAndDown && <View className='upAndDown'>
         {index > 0 && <Button className='button' onClick={() => onUpAndDown(index - 1)}>上一题</Button>}
-        <Button className='button' onClick={() => onUpAndDown(index + 1)}>下一题</Button>
+        {!end && <Button className='button' onClick={() => onUpAndDown(index + 1)}>下一题</Button>}
       </View>}
 
 
diff --git a/src/components/topic/multi.tsx b/src/components/topic/multi.tsx
index 71f8238..3d40cef 100644
--- a/src/components/topic/multi.tsx
+++ b/src/components/topic/multi.tsx
@@ -9,9 +9,10 @@ interface Props {
   index: number
   validate: boolean
   frequency?: number
+  end: boolean
 }
 
-const Multi: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency}) => {
+const Multi: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency, end}) => {
   const [rightAnswer, setRightAnswer] = useState<string[]>([]) //答案
 
   const rightKey = data?.right_answer?.split(',') || []  // 正确答案数组
@@ -83,7 +84,7 @@ const Multi: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequen
 
       {onUpAndDown && <View className='upAndDown'>
         {index > 0 && <Button className='button' onClick={() => onUpAndDown?.(index - 1)}>上一题</Button>}
-        <Button onClick={() => onUpAndDown?.(index + 1)} className='button'>下一题</Button>
+        {!end && <Button onClick={() => onUpAndDown?.(index + 1)} className='button'>下一题{end}</Button>}
       </View>}
 
 
diff --git a/src/components/topic/shortAnswer.tsx b/src/components/topic/shortAnswer.tsx
index d3d2b1d..c9d85e2 100644
--- a/src/components/topic/shortAnswer.tsx
+++ b/src/components/topic/shortAnswer.tsx
@@ -10,9 +10,10 @@ interface Props {
   index: number
   validate: boolean
   frequency?: number
+  end:boolean
 }
 
-const ShortAnswer: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency}) => {
+const ShortAnswer: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, frequency,end}) => {
   const [value, setValue] = useState<string>('')
 
   function onBlur() {
@@ -57,7 +58,7 @@ const ShortAnswer: FC<Props> = ({data, onAnswer, onUpAndDown, index, validate, f
 
       {onUpAndDown && <View className='upAndDown'>
         {index > 0 && <Button className='button' onClick={() => onUpAndDown?.(index - 1)}>上一题</Button>}
-        <Button className='button' onClick={() => onUpAndDown?.(index + 1)}>下一题</Button>
+        {!end && <Button className='button' onClick={() => onUpAndDown?.(index + 1)}>下一题</Button>}
       </View>}
 
 
diff --git a/src/components/topic/topic.scss b/src/components/topic/topic.scss
index ddf9069..e685f2c 100644
--- a/src/components/topic/topic.scss
+++ b/src/components/topic/topic.scss
@@ -11,23 +11,34 @@
 }
 
 .statistics {
-  padding: 40px 20px;
+  border-top: 1px solid #F5F8F7;
+  padding: 30px;
   display: flex;
-  justify-content: space-around;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: env(safe-area-inset-bottom);
+
+  .button {
+    border-radius: 100px;
+    height: 76px;
+    width: 304rpx;
+    margin:  0;
+  }
 }
 
 .upAndDown {
   display: flex;
-  justify-content: space-around;
+  justify-content: space-between;
   margin-top: 30px;
 
   button {
     width: 40%;
+    border-radius: 100px;
   }
 }
 
 
-.right_answer{
+.right_answer {
   font-weight: bold;
   color: #FF9E5F;
   line-height: 40rpx;
diff --git a/src/components/video/video.tsx b/src/components/video/video.tsx
index 1e5fdd4..224e89c 100644
--- a/src/components/video/video.tsx
+++ b/src/components/video/video.tsx
@@ -2,6 +2,7 @@ import {BaseEventOrig, Video, VideoProps} from "@tarojs/components";
 import {HVideoOptions} from "@/components/video/type";
 import Taro from "@tarojs/taro";
 import {FC, useState} from "react";
+import unique_ident from "@/hooks/unique_ident";
 // import {Profile} from '@/store'
 
 const deviation: number = 0.5
@@ -50,6 +51,11 @@ const HVideo: FC<HVideoOptions> = (opt: HVideoOptions) => {
     }
   }
 
+  Taro.useUnload(() => {
+    unique_ident.put(Number(currentTime.toFixed(2)), Date.now())
+  })
+
+
   return (
     <Video
       id={'myVideo'}
diff --git a/src/hooks/unique_ident.ts b/src/hooks/unique_ident.ts
index a45172d..5425783 100644
--- a/src/hooks/unique_ident.ts
+++ b/src/hooks/unique_ident.ts
@@ -32,6 +32,11 @@ function put(duration?: number, start_date?: number, upload = true) {
 }
 
 function del() {
+  put()
+  const data: HourCacheParam | undefined = Taro.getStorageSync(KEY)
+  if (data) {
+    curriculum.delCache(data.courseId)
+  }
   Taro.removeStorageSync(KEY)
 }
 
diff --git a/src/pages/business/videoInfo/components/course.tsx b/src/pages/business/videoInfo/components/course.tsx
index d309e07..8e3039e 100644
--- a/src/pages/business/videoInfo/components/course.tsx
+++ b/src/pages/business/videoInfo/components/course.tsx
@@ -192,7 +192,11 @@ const Course: FC<Props> = ({id, courseId, preview, curEnd}: Props) => {
           round
           onAfterLeave={again}
         >
-          <Swiper style={{height: "70vh"}} snapToEdge current={index}>
+          <Swiper
+            style={{height: "70vh"}}
+            snapToEdge
+            current={index}
+            onChange={(e) => setIndex((e.target as any).value)}>
             {examAll?.[time]?.map((d, index) =>
               <SwiperItem>
                 <ScrollView style='height:70vh' scrollY>
@@ -204,6 +208,7 @@ const Course: FC<Props> = ({id, courseId, preview, curEnd}: Props) => {
                       onUpAndDown={(index) => setIndex(index)}
                       index={index}
                       validate={validate}
+                      end={index === examAll?.[time].length - 1}
                     />}
                   {d.question_type === 2 &&
                     <Judge
@@ -213,6 +218,7 @@ const Course: FC<Props> = ({id, courseId, preview, curEnd}: Props) => {
                       data={d as ShareSubject}
                       validate={validate}
                       onAnswer={onAnswer}
+                      end={index === examAll?.[time].length}
                     />}
                   {d.question_type === 3 &&
                     <ShortAnswer
@@ -222,27 +228,19 @@ const Course: FC<Props> = ({id, courseId, preview, curEnd}: Props) => {
                       onUpAndDown={(index) => setIndex(index)}
                       index={index}
                       validate={validate}
+                      end={index === examAll?.[time].length}
                     />}
                 </ScrollView>
               </SwiperItem>
             )}
-
-            <SwiperItem>
-              <ScrollView style='height:70vh' scrollY>
-                <View className='mt-10 ml-4'>
-                  <View className='mt-3'>正确：{newRecord.filter(d => d).length}</View>
-                  <View className='mt-3'>错误：{newRecord.filter(d => !d).length}</View>
-                  <View className='mt-3'>剩余答题次数{frequency}</View>
-                </View>
-
-                {!validate && <Button className='button mt-10' onClick={() => setValidate(true)}>提交</Button>}
-                {frequency > 0 && validate && <Button className='button mt-10' onClick={onceMore}>再来一次</Button>}
-                {frequency === 0 && validate && <Button className='button mt-10' onClick={again}>重新学习</Button>}
-              </ScrollView>
-            </SwiperItem>
           </Swiper>
           <View className='statistics'>
-            <View>共{examAll?.[time]?.length}题</View>
+            <View>考试次数{frequency}</View>
+            <View>{index + 1}/{examAll?.[time]?.length}</View>
+
+            {!validate && <Button className='button' onClick={() => setValidate(true)}>提交</Button>}
+            {frequency > 0 && validate && <Button className='button' onClick={onceMore}>再来一次</Button>}
+            {frequency === 0 && validate && <Button className='button' onClick={again}>重新学习</Button>}
           </View>
         </PageContainer>
       </view>
diff --git a/src/pages/business/videoInfo/videoInfo.tsx b/src/pages/business/videoInfo/videoInfo.tsx
index 7b9a109..e8f655e 100644
--- a/src/pages/business/videoInfo/videoInfo.tsx
+++ b/src/pages/business/videoInfo/videoInfo.tsx
@@ -6,7 +6,6 @@ import {Profile} from '@/store'
 import Catalogue from "./components/catalogue";
 import Course from "./components/course";
 import Taro from "@tarojs/taro";
-import unique_ident from "@/hooks/unique_ident";
 
 
 const VideoInfo: FC = () => {
@@ -88,7 +87,6 @@ const VideoInfo: FC = () => {
     }
   })
 
-  Taro.useUnload(unique_ident.put)
 
 
   return (
diff --git a/src/static/img/empty.png b/src/static/img/empty.png
new file mode 100644
index 0000000..3415631
Binary files /dev/null and b/src/static/img/empty.png differ