diff --git a/src/api/socket.js b/src/api/socket.js
index c24d59e0..ca9c0b7d 100644
--- a/src/api/socket.js
+++ b/src/api/socket.js
@@ -60,9 +60,14 @@ export default class WebSocketUtil {
 
     // 监听WebSocket消息接收事件
     this.socketTask.onMessage((res) => {
-      console.log('收到WebSocket消息', res);
-			const { rtnCode } = JSON.parse(res.data) 
-			if(['0005', 'QQ0005'].includes(res.rtnCode)) {
+			if(res.data){
+				const { rtnCode } = JSON.parse(res.data) 
+				console.log('收到WebSocket消息', JSON.parse(res.data) );
+				if(['0005', 'QQ0005'].includes(res.rtnCode)) {
+					goto_login_fun();
+					return
+				}
+			}else{
 				goto_login_fun();
 				return
 			}
diff --git a/src/components/image-preview/image-preview.vue b/src/components/image-preview/image-preview.vue
index a90318a2..23341f1b 100644
--- a/src/components/image-preview/image-preview.vue
+++ b/src/components/image-preview/image-preview.vue
@@ -4,7 +4,10 @@
 
 <script>
 	import {previewFile, previewCacheThumbImage} from'@/api/common.js'
-	import {get_base_url} from '@/api/request.js'
+	import { get_base_url } from '@/api/request.js'
+	import { useStorageStore } from "@/store/storage.js"
+	
+	// const storageStore = useStorageStore()
 	export default {
 		name:"image-preview",
 		props:{
@@ -36,6 +39,12 @@
 				base_url: get_base_url()
 			};
 		},
+		computed:{
+			storageStore:() => useStorageStore(),
+			imageObj() {
+				return this.storageStore?.imgObj||{}
+			} 
+		},
 		watch: {
 			imgId: {
 				handler(newval, oldval) {
@@ -58,15 +67,26 @@
 		},
 		methods: {
 			getPreviewUrlBlob(id) {
-				
-				if (id === null) {
-					console.log('谢谢谢谢谢谢', id);
+				if (!id) {
+					this.imgUrlShow = ''
+					return
 				}
 				if(this.isCache){
+					let _cache = this.imageObj[`/${id}/${this.width}/${this.height}`] || ''
+					if(_cache){
+						this.imgUrlShow = _cache;
+						return
+					}
 					previewCacheThumbImage(id, this.width,this.height).then((res) => {
 						this.imgUrlShow = res;
+						this.storageStore.setStorage('image', `/${id}/${this.width}/${this.height}`, res)
 					});
 				}else{
+					let _cache = this.imageObj[`${id}`] || ''
+					if(_cache){
+						this.imgUrlShow = _cache;
+						return
+					}
 					previewFile(id).then((result) => {
 						//#ifdef APP-PLUS
 						let _header = result.header['Content-Type'].split(';')[0]
@@ -76,6 +96,7 @@
 						// #endif
 						let base64 = `data:${_header};base64,` + uni.arrayBufferToBase64(result.data)
 						this.imgUrlShow = base64;
+						this.storageStore.setStorage('image', id, base64)
 					});
 				}
 			},
diff --git a/src/components/image-preview/video-preview.vue b/src/components/image-preview/video-preview.vue
index 253439a4..3d04e21d 100644
--- a/src/components/image-preview/video-preview.vue
+++ b/src/components/image-preview/video-preview.vue
@@ -1,27 +1,34 @@
 <template>
 	<view class="video-view-box">
-		<video class="video-cont" v-if="imgUrlShow" :src="imgUrlShow" controls></video>
+		<video class="video-cont" v-if="fileUrlShow" :src="fileUrlShow" controls></video>
 	</view>
 </template>
 
 <script>
 	import { downloadFile } from'@/api/common.js'
+	import { useStorageStore } from "@/store/storage.js"
 	export default {
 		name:"video-preview",
 		props:{
-			imgId:{
+			fileId:{
 				default:'',
 				type:String
 			}
 		},
 		data() {
 			return {
-				imgUrlShow:'',
+				fileUrlShow:'',
 				watching:false
 			};
 		},
+		computed:{
+			storageStore:() => useStorageStore(),
+			videoObj() {
+				return this.storageStore?.videoObj||{}
+			} 
+		},
 		watch: {
-			imgId: {
+			fileId: {
 				handler(newval, oldval) {
 					if (newval && this.watching) {
 						this.getPreviewUrlBlob(newval);
@@ -33,14 +40,24 @@
 		},
 		methods: {
 			getPreviewUrlBlob(id) {
+				if (!id) {
+					this.fileUrlShow = ''
+					return
+				}
+				let _cache = this.videoObj[id] || ''
+				if(_cache){
+					this.fileUrlShow = _cache;
+					return
+				}
 				downloadFile(id).then(res=>{
-					this.imgUrlShow = res.tempFilePath
+					this.fileUrlShow = res.tempFilePath
+					this.storageStore.setStorage('video', id, this.fileUrlShow)
 				})
 			},
 		},
 		mounted() {
-			if (this.imgId) {
-				this.getPreviewUrlBlob(this.imgId);
+			if (this.fileId) {
+				this.getPreviewUrlBlob(this.fileId);
 			}
 			this.watching = true
 		},
diff --git a/src/pages/course/components/talkingItem.vue b/src/pages/course/components/talkingItem.vue
index df588ad1..4f22146e 100644
--- a/src/pages/course/components/talkingItem.vue
+++ b/src/pages/course/components/talkingItem.vue
@@ -139,6 +139,10 @@ import { studyParagraphOverApi } from "@/api/study.js"
 import ChartFour from "./chartFour.vue"
 import ChartThree from "./chartThree.vue"
 import { getUserInfo } from '@/common/common';
+import { useStorageStore } from "@/store/storage.js"
+
+const storageStore = useStorageStore()
+const audioCacheObj = computed(() => storageStore.audioObj)
 
 	const props = defineProps({
 		type:{
@@ -236,11 +240,21 @@ import { getUserInfo } from '@/common/common';
 			let _url = '/trastudy/traStdyInfo/readContent?' + Object.keys(_params).map(t=>{
 				return encodeURIComponent(t) + '=' + encodeURIComponent(_params[t])
 			}).join('&')
+			
+			let _cache = audioCacheObj.value[_url]
+			if(_cache){
+				voiceLoading.value = false
+				itemVoice.value = _cache
+				talkVoiceObj.value.src = _cache
+				talkVoiceObj.value.play()
+				return
+			}
 			downloadVoiceFile(_url).then(res=>{
 				voiceLoading.value = false
 				itemVoice.value = res.tempFilePath
 				talkVoiceObj.value.src = res.tempFilePath
 				talkVoiceObj.value.play()
+				storageStore.setStorage('audio', _url, itemVoice.value)
 			}).catch((err)=>{
 				voiceLoading.value = false
 			})
diff --git a/src/pages/course/study.vue b/src/pages/course/study.vue
index 53fdee73..ad2077a3 100644
--- a/src/pages/course/study.vue
+++ b/src/pages/course/study.vue
@@ -159,10 +159,13 @@ import TalkingItem from '@/pages/course/components/talkingItem.vue'
 import ImagePreview from '@/components/image-preview/image-preview.vue'
 
 import { useSocketStore } from "@/store/socket.js"
+import { useStorageStore } from "@/store/storage.js"
 import { storeToRefs } from 'pinia'
 
 const socketStore = useSocketStore()
+const storageStore = useStorageStore()
 const { SocketObj } = storeToRefs(socketStore)
+const audioCacheObj = computed(() => storageStore.audioObj)
 
 const { proxy } = getCurrentInstance()
 const crsNum = ref('');
@@ -248,6 +251,7 @@ const choiceTeacherInfo = computed(()=>{
 
 const activeVoiceTeachNo = ref('')
 const teacherVoiceObj = uni.createInnerAudioContext()
+
 teacherVoiceObj.onEnded(()=>{
 	activeVoiceTeachNo.value = ''
 	teacherVoiceObj.src = ''
@@ -262,10 +266,17 @@ const playTeacherVoice = (item) =>{
 		teacherVoiceObj.src = item.voicePath
 		teacherVoiceObj.play()
 	}else{
+		let _cache = audioCacheObj.value[item.teacherNo]
+		if(_cache){
+			teacherVoiceObj.src = _cache
+			teacherVoiceObj.play()
+			return
+		}
 		downloadVoiceFile('/trastudy/traStdyInfo/trialListening?teachNo='+item.teacherNo).then(res=>{
 			item.voicePath = res.tempFilePath
 			teacherVoiceObj.src = item.voicePath
 			teacherVoiceObj.play()
+			storageStore.setStorage('audio', id, item.voicePath)
 		})
 	}
 }
@@ -523,7 +534,6 @@ const hideOverlayTalking = (obj) => {
 			// #endif
 			//#ifdef APP-PLUS
 			commonUploadVoiceFile(audioPath.value, '/trastudy/traStdyInfo/studyAnswerVoiceUp', _data).then(res=>{
-				console.log(res.data)
 				let _res = JSON.parse(res.data)
 				if(_res.rtnCode === '0000'){
 					let _id = new Date().getTime() + 'id'
@@ -635,6 +645,7 @@ const chooseRate = ref('1.0')
 const chooseRateNow = (item) => {
 	chooseRate.value = item
 	showSeekModel.value = false
+	teacherVoiceObj.playbackRate = Number(item)
 }
 </script>
 
diff --git a/src/store/socket.js b/src/store/socket.js
index c3bd8109..2fe21721 100644
--- a/src/store/socket.js
+++ b/src/store/socket.js
@@ -18,11 +18,6 @@ export const useSocketStore = defineStore('socketStore',{
 			let _baseUrl = get_base_url().split('http').join('ws')
 			if(this.SocketObj && this.SocketObj?.close)  return
 			this.SocketObj = new SocketClass(_baseUrl + '/trastudy/trasoket/open?summary=' + getToken());
-			this.SocketObj.on('close', () => {
-				setTimeout(()=>{
-					this.SocketObj = null
-				},100)
-			})
 		},
 		closeSocket() {
 			if(!(this.SocketObj && this.SocketObj?.close)) return