diff --git a/.env.development b/.env.development
index fa050679..44372854 100644
--- a/.env.development
+++ b/.env.development
@@ -26,7 +26,7 @@ VITE_APP_BASE_H5_API_Url = 'https://aitstest.jlbank.com.cn:7002'
 # VITE_APP_BASE_H5_API_Url_TRAEXAM = 'http://25.64.16.130:9604'
 # 张建成
 # VITE_APP_BASE_H5_API_Url_TRAASK = 'http://25.64.16.144:9605'
-# VITE_APP_BASE_H5_API_Url_TRASTUDY = 'http://25.64.16.144:9602'
+VITE_APP_BASE_H5_API_Url_TRASTUDY = 'http://25.64.16.144:9602'
 # 王洋洋
 # VITE_APP_BASE_H5_API_Url_TRAEXAM = 'http://25.64.16.140:9604'
 # 于嘉文
diff --git a/src/api/index.js b/src/api/index.js
index 5f5e6a05..cd5e5e84 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -85,4 +85,7 @@ export const queryCrsInfoByRecmd = (data) => {
         method: 'post',
         data
     });
-};
\ No newline at end of file
+};
+
+
+
diff --git a/src/api/messageNotification.js b/src/api/messageNotification.js
index 72fa6ef2..3022df25 100644
--- a/src/api/messageNotification.js
+++ b/src/api/messageNotification.js
@@ -31,4 +31,12 @@ export const oneTimeRead = (data) => {
 		toastErrors: true,
 		data
 	});
+};
+
+export const noticeMessageCount = (data) => {
+    return request({
+        url: base_url + '/traPersonalMessageNotice/noticeMessageCount',
+        method: 'post',
+        data
+    });
 };
\ No newline at end of file
diff --git a/src/pages/course/study.vue b/src/pages/course/study.vue
index 4fa1de10..4ff2eea2 100644
--- a/src/pages/course/study.vue
+++ b/src/pages/course/study.vue
@@ -79,8 +79,8 @@
         @startRecord="changePlayItemId('')"
         :isLoading="isUploadingVoice"
         :onlyVoice="answerOnlyVoice"
-				:adjustPosition="true"
         :canAnswer="testAnswer"
+		:adjustPosition="true"
         :canAnswerText="'每个问题最多连续发送五次答案！'"
         :isDisabled="(lastTalkingInfo.type || 0) !== 4" />
     </view>
@@ -667,6 +667,7 @@ const sendMessage = data => {
 const startPgrphId = ref('')
 const imageId = ref('')
 onLoad(params => {
+		changeAppHeightBottom()
   watchFlag.value = 1
   isPreview.value = params.isPreview === 'preview'
   crsId.value = params.crsId || ''
@@ -683,8 +684,24 @@ onMounted(() => {
 const keyboardHeight = ref('0px')
 const setHeight = res => {
   keyboardHeight.value = res.height + 'px'
-  scrollToBottomNow()
+  // scrollToBottomNow()
 }
+
+	const keyBoardIsHide =  computed(() => {
+		return parseInt(keyboardHeight.value)  == 0
+	})
+	const bottomHeight = ref('0px')
+	const totalBotHeight = computed(()=> {
+		return keyBoardIsHide.value ? 0  + 'px': parseInt(keyboardHeight.value) - parseInt(bottomHeight.value) + 'px'
+	})
+	const changeAppHeightBottom = (height) => {
+		//#ifdef APP-PLUS
+		// 获取系统信息
+		const systemInfo = uni.getSystemInfoSync();
+		// 计算安全区域底部高度
+		bottomHeight.value = systemInfo.screenHeight - systemInfo.safeArea.bottom + 'px'
+		// #endif
+	}
 onHide(() => {
   //#ifdef APP-PLUS
   uni.offKeyboardHeightChange(setHeight)
@@ -1040,11 +1057,14 @@ const chooseRateNow = item => {
 }
 </script>
 
-<style lang="scss">
+<style lang="scss"  scoped>
 .course-study {
   position: relative;
   display: flex;
   flex-direction: column;
+  height: 100vh;
+  overflow: hidden;
+  bottom: 0;
 
   .top-bg {
     background: linear-gradient(16deg, rgba(234, 246, 255, 0) 0%, #e6eafd 100%);
@@ -1088,12 +1108,12 @@ const chooseRateNow = item => {
   }
 
   .course-study-body {
-    position: absolute;
+    position: fixed;
     overflow: hidden;
     left: 0;
     bottom: 0;
-    // height: 100%;
-    height: calc(100% - v-bind(keyboardHeight));
+    height: 100%;
+    // height: calc(100% - v-bind(totalBotHeight));
     width: 100%;
     padding: 0 0rpx;
     box-sizing: border-box;
@@ -1110,7 +1130,8 @@ const chooseRateNow = item => {
       box-sizing: border-box;
       font-weight: 500;
       color: #000;
-      position: relative;
+      position: sticky;
+	  top: 0;
 
       // margin-bottom: 23rpx;
       .arrow-icon {
diff --git a/src/pages/examination/index.vue b/src/pages/examination/index.vue
index 1c3fb12d..cd841d69 100644
--- a/src/pages/examination/index.vue
+++ b/src/pages/examination/index.vue
@@ -16,7 +16,13 @@
 				</view>
 				<view class="question">
 					<view class="grey">剩余时间</view>
-					<uv-count-down :time="paperData.limitTm * 1000" format="HH:mm:ss" @finish="finish"></uv-count-down>
+					<uv-count-down
+						ref="countDownRef"
+						:time="paperData.limitTm * 1000"
+						format="HH:mm:ss"
+						@finish="finish"
+						:autoStart="false"
+					></uv-count-down>
 				</view>
 			</view>
 			<view class="progress">
@@ -144,7 +150,7 @@
 	import Dialog from './components/dialog.vue';
 	import Subject from '@/components/examination/subject.vue';
 	import TouchBtn from '@/components/examination/touchBtn.vue';
-	import { ref, reactive, computed} from 'vue';
+	import { ref, reactive, computed, onMounted } from 'vue';
 	import { onLoad } from '@dcloudio/uni-app';
 	import common from '@/common/common';
 	import { getPageCache, setupKeyboardHeightListener } from '@/common/common';
@@ -156,6 +162,7 @@
 	const dialogRef = ref(null);
 	const popupRef = ref(null);
 	const touchBtnRef = ref(null);
+	const countDownRef = ref(null);
 	let examinationStartTime = 0; // 考试开始时间
 
 	const mode = 'examination'; // 考试 examination 练习practice
@@ -219,7 +226,7 @@
 
 	// 倒计时结束
 	const finish = (item) => {
-		hand_in_paper('倒计时结束自动交卷')
+		hand_in_paper('倒计时结束自动交卷');
 	};
 
 	// 按上一题下一题
@@ -240,8 +247,7 @@
 	// 点击答题卡按钮
 	const click_sheet_item = (index) => {
 		questionNumber.value = index;
-		popupRef.value.close()
-		
+		popupRef.value.close();
 	};
 
 	const subject_click = (type, params) => {
@@ -289,7 +295,7 @@
 			};
 		}
 	};
-	
+
 	// 初始化时检查
 	onLoad(() => {
 		const examination = getPageCache('examination');
@@ -312,9 +318,14 @@
 				my_answer: []
 			}))
 		);
-    setupKeyboardHeightListener((height) => {
-      popup_input_bottom.value = `${height}px`;
-    })
+		setupKeyboardHeightListener((height) => {
+			popup_input_bottom.value = `${height}px`;
+		});
+	});
+	onMounted(() => {
+		setTimeout(() => {
+			countDownRef.value.start();
+		}, 500);
 	});
 
 	const result_click = ({ key }) => {
@@ -333,13 +344,13 @@
 		console.log('点击交卷', paperData);
 		// 判断是否完成所有题目
 		const completeList = topicList
-			.filter((res) => !!(Array.isArray(res.my_answer) ? res.my_answer.length>0 : res.my_answer?.anserResult !==''))
+			.filter((res) => !!(Array.isArray(res.my_answer) ? res.my_answer.length > 0 : res.my_answer?.anserResult !== ''))
 			.map((res) => ({
 				a: res.qnsId,
 				b: res.my_answer,
 				c: !!res.my_answer
 			}));
-	
+
 		const style_button_1 = {
 			color: '#FFFFFF',
 			fontSize: '30rpx',
@@ -390,7 +401,7 @@
 		dialogRef.value.open();
 	};
 	// 执行交卷
-	const hand_in_paper = (strs='') => {
+	const hand_in_paper = (strs = '') => {
 		console.log('交卷的原因', strs);
 		const answerDtoList = topicList.map((res) => {
 			let answerItem = {
@@ -456,8 +467,8 @@
 			})
 			.finally(() => {
 				common.hideLoading();
-				if(strs === '倒计时结束自动交卷') {
-					hand_in_paper(strs)
+				if (strs === '倒计时结束自动交卷') {
+					hand_in_paper(strs);
 				}
 			});
 	};
diff --git a/src/pages/index/dialog.vue b/src/pages/index/dialog.vue
index 20c76307..0669148f 100644
--- a/src/pages/index/dialog.vue
+++ b/src/pages/index/dialog.vue
@@ -732,7 +732,7 @@
 		position: relative;
 		display: flex;
 		flex-direction: column;
-		height: calc(100vh - 0px);
+		height: 100vh;
 		overflow: hidden;
 	}
 
diff --git a/src/pages/index/index.vue b/src/pages/index/index.vue
index 7e60aa5c..63bb12e4 100644
--- a/src/pages/index/index.vue
+++ b/src/pages/index/index.vue
@@ -278,10 +278,10 @@
 	import { onShow, onPageScroll, onLoad, onHide } from '@dcloudio/uni-app';
 	import { customStyles, fixedCustomStyles, placeholderStyle, suffixIconStyle } from './index.js';
 	import { getUserInfo } from '@/common/common';
-
 	import common from '@/common/common';
 	import { setMascot } from '@/common/mascot.js';
 	import { getStatisticsData, queryCrsInfoByLastnew, queryCrsInfoByPopular, queryCrsInfoByRecmd } from '@/api/index.js';
+	import { noticeMessageCount } from '@/api/messageNotification.js';
 
 	const scrollTop = ref(0);
 	const mascotShow = ref(false);
@@ -451,6 +451,9 @@
 		queryCrsInfoByRecmd().then((res) => {
 			recommend_class_list.value = res.body;
 		});
+		noticeMessageCount().then(res => {
+			console.log('res', res);
+		})
 	});
 	onHide(() => {});
 </script>