diff --git a/pages/certificate_information/add.vue b/pages/certificate_information/add.vue
index 5dd30d9..9a032b1 100644
--- a/pages/certificate_information/add.vue
+++ b/pages/certificate_information/add.vue
@@ -435,8 +435,7 @@ export default {
         }, 2000)
       }).catch((e) => {
         console.info(e)
-        // uni.$u.toast('请补全必填项')
-        uni.$u.toast(e)
+        uni.$u.toast('请补全必填项')
       })
     }
   },
diff --git a/pages/index/index.vue b/pages/index/index.vue
index 8731e5e..38df129 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -26,16 +26,9 @@
 				</view>
 			</view>
 		</view>
-		<u-modal
-			:show="updateVersion.modalShow"
-			title="温馨提示"
-			:showConfirmButton="updateVersion.showConfirmButton"
-			:showCancelButton="updateVersion.showCancelButton"
-			:confirmText="updateVersion.confirmText"
-			:cancelText="updateVersion.cancelText"
-			@cancel="modalCancel"
-			@confirm="modalConfirm"
-		>
+		<u-modal :show="updateVersion.modalShow" title="温馨提示" :showConfirmButton="updateVersion.showConfirmButton"
+			:showCancelButton="updateVersion.showCancelButton" :confirmText="updateVersion.confirmText"
+			:cancelText="updateVersion.cancelText" @cancel="modalCancel" @confirm="modalConfirm">
 			<view style="text-align: center; color: #606266">
 				<rich-text :nodes="updateVersion.modalContent"></rich-text>
 			</view>
@@ -45,220 +38,255 @@
 </template>
 
 <script>
-import updateVersion from '../../utils/updateVersion'
-import {setEntry, getIsUploadFace, getClassInfoByParams, getClassList} from '../../api'
-import { getStudentInfoApi, setEntryV1} from "../../api/api";
-import store from "../../store";
+	import updateVersion from '../../utils/updateVersion'
+	import {
+		setEntry,
+		getIsUploadFace,
+		getClassInfoByParams,
+		getClassList
+	} from '../../api'
+	import {
+		getStudentInfoApi,
+		setEntryV1
+	} from "../../api/api";
+	import store from "../../store";
 
-export default {
-	mixins: [updateVersion],
-	data() {
-		return {
-			baseList: [
-				{
-					img: require('../../static/icon-apps/app_icons.png'),
-					title: '电子工牌',
-					url: '/pages/electronic_work_card/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons2.png'),
-					title: '服务单位 管理',
-					url: '/pages/service_unit_management/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons3.png'),
-					title: '我的信息',
-					url: '/pages/mine/information/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons4.png'),
-					title: '证书信息',
-					url: '/pages/certificate_information/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons5.png'),
-					title: '就职单位',
-					url: '/pages/employed_by/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons7.png'),
-					title: '高危作业',
-					url: '/pages/eight_assignments/index'
-				},
-				{
-					img: require('../../static/icon-apps/app_icons8.png'),
-					title: '培训管理',
-					url: '/pages/train_management/index'
-				}
-			]
-		}
-	},
-	computed: {
-		userInfo() {
-			return this.$store.getters.getUserInfo
-		}
-	},
-  onLoad() {
-    if (this.$store.getters.getUserInfo.USER_ID) {
-      // 获取系统版本号, 其函数主体在 /utils/updateVersion.js 文件内查找
-      this.fnUpdateVersion(false)
-      this.getUserFaceCompleted()
-    }
-  },
-	methods: {
-		handleGetClassInfoByParams(classId) {
-			return new Promise(async (resolve, reject) => {
-				const userInfo = store.getters.getUserInfo
-				await getClassInfoByParams({
-					classId,
-					userId: userInfo.USER_ID
-				})
-					.then((resData) => {
-						resolve(resData.classInfo)
-					})
-					.catch(() => {
-						uni.$u.toast('网络开小差了,请稍后尝试')
-						reject()
-					})
-			})
+	export default {
+		mixins: [updateVersion],
+		data() {
+			return {
+				baseList: [{
+						img: require('../../static/icon-apps/app_icons.png'),
+						title: '电子工牌',
+						url: '/pages/electronic_work_card/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons2.png'),
+						title: '服务单位 管理',
+						url: '/pages/service_unit_management/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons3.png'),
+						title: '我的信息',
+						url: '/pages/mine/information/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons4.png'),
+						title: '证书信息',
+						url: '/pages/certificate_information/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons5.png'),
+						title: '就职单位',
+						url: '/pages/employed_by/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons7.png'),
+						title: '高危作业',
+						url: '/pages/eight_assignments/index'
+					},
+					{
+						img: require('../../static/icon-apps/app_icons8.png'),
+						title: '培训管理',
+						url: '/pages/train_management/index'
+					}
+				],
+				classInfo: null,
+			}
 		},
-		async fnScan() {
-			uni.scanCode({
-				success: async (res) => {
-					// let obj = JSON.parse(res.result)
-					// let type = obj[0].CODE_TYPE
-					const { classId, type, RELEVANT_UNIT_NAME } = JSON.parse(res.result)
-					const classInfo = await this.handleGetClassInfoByParams(classId);
-          const resData = await getStudentInfoApi({classId:classInfo.classId})
-          await this.$store.dispatch('setStudentInfo', resData.studentInfo)
-					switch(type) {
-						case "0": {
-							let info = await setEntryV1({
-							userId: this.userInfo.USER_ID,
-							// corpinfoId: obj[0].CORPINFO_ID,
-							RELEVANT_UNIT_NAME: RELEVANT_UNIT_NAME,
-							postMethod: 'application/json'
+		computed: {
+			userInfo() {
+				return this.$store.getters.getUserInfo
+			}
+		},
+		onLoad() {
+			if (this.$store.getters.getUserInfo.USER_ID) {
+				// 获取系统版本号, 其函数主体在 /utils/updateVersion.js 文件内查找
+				this.fnUpdateVersion(false)
+				this.getUserFaceCompleted()
+			}
+		},
+		methods: {
+			handleGetClassInfoByParams(classId) {
+				return new Promise(async (resolve, reject) => {
+					const userInfo = store.getters.getUserInfo
+					await getClassInfoByParams({
+							classId,
+							userId: userInfo.USER_ID
 						})
-							if (info.code === 200) {
-								uni.$u.toast('入职成功')
-							} else {
-								uni.$u.toast('入职失败，请联系管理员')
-							}
-							break;
-						};
-						// case "1": {
-						// 	// type=1时跳转电子工牌页面
-						// 	uni.$u.route({
-						// 		url: '/pages/electronic_work_card/index',
-						// 		params: {
-						// 			USER_ID: obj[0].USER_ID,
-						// 			CODE_TYPE: obj[0].CODE_TYPE
-						// 		}
-						// 	})
-						// 	break;
-						// };
-						case "2": {
-							// 签到二维码方式进入, [type: 2 --> 签到二维码方式进入]
-              if (store.getters.getVerification === '0') {
-                uni.showModal({
-                  title: '温馨提示',
-                  content: '检测到您还未完成人脸信息读取，请先完成人脸信息认证!',
-                  success: function (res) {
-                    if (res.confirm) {
-                      uni.$u.route({
-                        url: '/pages/train_management/face_authentication',
-                        params: {
-                          type: 'facial_input'
-                        }
-                      })
-                    }
-                    if (res.cancel) {
-                      uni.navigateBack({ delta: 1 })
-                    }
-                  }
-                })
-              }
-							if (classInfo) {
-								uni.$u.route({
-									url: '/pages/train_management/realname_info_auth',
-									params: {
-										type: 'scan_face',
-										classId
-									}
+						.then((resData) => {
+							resolve(resData.classInfo)
+						})
+						.catch(() => {
+							uni.$u.toast('网络开小差了,请稍后尝试')
+							reject()
+						})
+				})
+			},
+			async fnScan() {
+        this.classInfo = null;  // 清空 classInfo
+				uni.scanCode({
+					success: async (res) => {
+						// let obj = JSON.parse(res.result)
+						// let type = obj[0].CODE_TYPE
+						const {
+							classId,
+							stageexampaperinputId,
+							type,
+							CORPINFO_ID,
+							RELEVANT_UNIT_NAME
+						} = JSON.parse(res.result);
+						if (type !== '0') {
+							this.classInfo = await this.handleGetClassInfoByParams(classId);
+							const resData = await getStudentInfoApi({
+								classId: this.classInfo.classId
+							})
+							await this.$store.dispatch('setStudentInfo', resData.studentInfo)
+						}
+						switch (type) {
+							case "0": {
+								let info = await setEntryV1({
+									userId: this.userInfo.USER_ID,
+									corpinfoId: CORPINFO_ID,
+									RELEVANT_UNIT_NAME: RELEVANT_UNIT_NAME,
+									postMethod: 'application/json'
 								})
-							} else {
-								uni.$u.toast('您未在培训计划内，无法入班签到，请联系教师')
+								if (info.code === 200) {
+									uni.$u.toast('入职成功')
+								} else {
+									uni.$u.toast('入职失败，请联系管理员')
+								}
+								break;
 							}
-							break;
-						};
-						case "3": {
-							// 考试二维码方式进入 [type: 3 --> 考试二维码方式进入]
-							if (classInfo) {
+							// case "1": {
+							// 	// type=1时跳转电子工牌页面
+							// 	uni.$u.route({
+							// 		url: '/pages/electronic_work_card/index',
+							// 		params: {
+							// 			USER_ID: obj[0].USER_ID,
+							// 			CODE_TYPE: obj[0].CODE_TYPE
+							// 		}
+							// 	})
+							// 	break;
+							// };
+							case "2": {
+								// 签到二维码方式进入, [type: 2 --> 签到二维码方式进入]
+								if (store.getters.getVerification === '0') {
+									uni.showModal({
+										title: '温馨提示',
+										content: '检测到您还未完成人脸信息读取，请先完成人脸信息认证!',
+										success: function(res) {
+											if (res.confirm) {
+												uni.$u.route({
+													url: '/pages/train_management/face_authentication',
+													params: {
+														type: 'facial_input'
+													}
+												})
+											}
+											if (res.cancel) {
+												uni.navigateBack({
+													delta: 1
+												})
+											}
+										}
+									})
+								}
+								if (store.getters.getVerification === '1') {
+									if (this.classInfo) {
+										if (this.classInfo.studystate === "3") {
+											uni.$u.toast("您已经入班签到，无需再次签到！")
+											return;
+										}
+										uni.$u.route({
+											url: '/pages/train_management/realname_info_auth',
+											params: {
+												type: 'scan_face',
+												classId
+											}
+										})
+									} else {
+										uni.$u.toast('您未在培训计划内，无法入班签到，请联系教师')
+									}
+								} else {
+									uni.$u.toast('您还未完成人脸信息读取，请先完成人脸信息认证!')
+								}
+								break;
+							}
+							case "3": {
+								// 考试二维码方式进入 [type: 3 --> 考试二维码方式进入]
+								if (store.getters.getVerification === '1') {
+									if (this.classInfo) {
+										uni.$u.route({
+											url: '/pages/train_management/face_authentication',
+											params: {
+												type: 'learning_certification',
+												stageexampaperinputId,
+												classId,
+											}
+										})
+
+									} else {
+										uni.$u.toast('您未在培训计划内，无法进行考试，请联系教师')
+									}
+								} else {
+									uni.$u.toast('您还未完成人脸信息读取，请先完成人脸信息认证!')
+								}
+								break;
+							}
+							default: {
+								break;
+							}
+						}
+					}
+				})
+			},
+			fnIsShow(index) {
+				if (index === 5) return !!this.userInfo.CORPINFO_ID
+				return true
+			},
+			fnNavigator(e) {
+				uni.$u.route({
+					url: this.baseList[e].url
+				})
+			},
+			/**
+			 * 获取是否已经完成上传人脸信息
+			 */
+			async getUserFaceCompleted() {
+				const userFaceData = await getIsUploadFace()
+				// userFaceData.authentication --> 0: 未完成人脸认证
+				// userFaceData.authentication --> 1: 已完成人脸认证
+				this.$store.dispatch('setVerification', userFaceData.authentication ? userFaceData.authentication :
+					"0"); // 设置本地存储人脸检测验证状态
+				const isPassedVerification = userFaceData.authentication === '0'
+				if (isPassedVerification) {
+					uni.showModal({
+						title: '温馨提示',
+						content: '为了能够得到更好的体验，我们会获取您个人信息，请完成人脸信息认证!',
+						success: function(res) {
+							if (res.confirm) {
 								uni.$u.route({
 									url: '/pages/train_management/face_authentication',
 									params: {
-										type: 'learning_certification',
-										stageexampaperinputId,
-										classId,
+										type: 'facial_input'
 									}
 								})
-							} else {
-								uni.$u.toast('您未在培训计划内，无法进行考试，请联系教师')
 							}
-							break;
+							if (res.cancel) {
+								uni.$u.toast("您可进入[我的]-[人脸认证]完成信息认证")
+							}
 						}
-						default: {
-							break;
-						};
-					}
+					})
 				}
-			})
-		},
-		fnIsShow(index) {
-			if (index === 5) return !!this.userInfo.CORPINFO_ID
-			return true
-		},
-		fnNavigator(e) {
-			uni.$u.route({
-				url: this.baseList[e].url
-			})
-		},
-		/**
-		 * 获取是否已经完成上传人脸信息
-		 */
-		async getUserFaceCompleted() {
-			const userFaceData = await getIsUploadFace()
-			// userFaceData.authentication --> 0: 未完成人脸认证
-			// userFaceData.authentication --> 1: 已完成人脸认证
-			this.$store.dispatch('setVerification', userFaceData.authentication ? userFaceData.authentication : "0"); // 设置本地存储人脸检测验证状态
-			const isPassedVerification = userFaceData.authentication === '0'
-			if (isPassedVerification) {
-				uni.showModal({
-					title: '温馨提示',
-					content: '为了能够得到更好的体验，我们会获取您个人信息，请完成人脸信息认证!',
-					success: function (res) {
-						if (res.confirm) {
-							uni.$u.route({
-								url: '/pages/train_management/face_authentication',
-								params: {
-									type: 'facial_input'
-								}
-							})
-						}
-						if (res.cancel) {
-              uni.$u.toast("您可进入[我的]-[人脸认证]完成信息认证")
-						}
-					}
-				})
 			}
 		}
 	}
-}
 </script>
 
 <style lang="scss" scoped>
-.page {
-	background-color: #f7f9ff;
-	min-height: 100vh;
-}
+	.page {
+		background-color: #f7f9ff;
+		min-height: 100vh;
+	}
 </style>
diff --git a/pages/train_management/face_authentication.nvue b/pages/train_management/face_authentication.nvue
index 430ccde..968d07c 100644
--- a/pages/train_management/face_authentication.nvue
+++ b/pages/train_management/face_authentication.nvue
@@ -43,6 +43,7 @@
 			}, 1000)
 		},
 		onLoad(query) {
+			console.log('query: >> ', query)
 			// facial_input 人脸认证    isFirst 1 第一次登录添加人脸
 			// scan_face  扫码
 			// update_facial_input 更新人脸
@@ -61,25 +62,18 @@
 			// this.showButton = query.showButton || "yes";
 			this.routeQueryparams = query ?? {}
 		},
-		onBackPress(event) {
-			// if (event.from === 'backbutton') {
-			// 	if ((this.type === 'scan_face' && this.isFirst === '1') || this.type === 'learning_certification' || this.type === 'facial_input') {
-			// 		uni.$u.toast('请完成人脸验证')
-			// 		return true
-			// 	}
-			// }
-			if (this.type === 'facial_input') {
-				uni.$u.route({
-					type: 'redirect',
-					url: '/pages/index/index',
-				})
-			}
-			return false
-		},
+		// onBackPress(event) {
+		// 	return false
+		// },
 		onUnload() {
 			this.startPreviewTimer && clearInterval(this.startPreviewTimer)
 		},
 		methods: {
+			handleBack() {
+				uni.navigateBack({
+					delta: 2,
+				})
+			},
 			snapshot() {
 				uni.showLoading({
 					title: '加载中'
diff --git a/pages/train_management/index.vue b/pages/train_management/index.vue
index f16c27f..707d6ba 100644
--- a/pages/train_management/index.vue
+++ b/pages/train_management/index.vue
@@ -31,7 +31,7 @@
 								<view> <text class="content_label">任务状态: </text>{{ handleCalcTaskStatus(item.state) }} </view>
 								<view class="action-row">
 									<u-button size="mini" type="primary" text="签到信息" :disabled="item.userSignPath === '0'" @click="signInInformation(item.classId)" />
-									<u-button size="mini" type="primary" text="考试记录" :disabled="item.stageexamstate === '1' || item.stageexamstate === '4'" @click="ExamRecord(item)" />
+									<u-button v-if="item.examination === '1'" size="mini" type="primary" text="考试记录" :disabled="item.stageexamstate === '1' || item.stageexamstate === '4'" @click="ExamRecord(item)" />
 								</view>
 							</view>
 						</view>
@@ -46,7 +46,7 @@
 
 <script>
 import store from '@/store/index'
-import {getClassInfoByParams, getClassList} from "../../api";
+import {getClassInfoByParams, getClassList, getExamExercises} from "../../api";
 import {getStudentInfoApi} from "../../api/api";
 
 export default {
@@ -127,6 +127,10 @@ export default {
 					if (type === '2') {
 						// 签到二维码方式进入, [type: 2 --> 签到二维码方式进入]
 						if (classInfo) {
+              if (classInfo.studystate === "3") {
+                uni.$u.toast("您已经入班签到，无需再次签到！")
+                return;
+              }
 							uni.$u.route({
 								url: '/pages/train_management/realname_info_auth',
 								params: {
@@ -140,6 +144,19 @@ export default {
 					} else if (type === '3') {
 						// 考试二维码方式进入 [type: 3 --> 考试二维码方式进入]
 						if (classInfo) {
+              console.log('classInfo :>> ', classInfo);
+              if (classInfo.stageexamstate === "3") {
+                uni.$u.toast("您已经考试通过，无需再次考试！")
+                return;
+              }
+              const resData = await getExamExercises({
+                stageexampaperinputId,
+                classId,
+              })
+              if (resData.numberofexams <= 0) {
+                uni.$u.toast("您的考试次数已用尽，无法再次考试！")
+                return;
+              }
 							uni.$u.route({
 								url: '/pages/train_management/face_authentication',
 								params: {
diff --git a/pages/train_management/sign_information.vue b/pages/train_management/sign_information.vue
index 6fd2b6d..c4b9aa7 100644
--- a/pages/train_management/sign_information.vue
+++ b/pages/train_management/sign_information.vue
@@ -19,7 +19,8 @@
 </template>
 
 <script>
-import { getSignInfo } from '@/api'
+
+import {getSignInfo} from "../../api";
 
 export default {
 	data() {
@@ -93,6 +94,7 @@ export default {
 			  classId
 			});
 			this.signInfo = resData.page.list[0]
+      console.log(this.signInfo);
 		},
 	}
 }