diff --git a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/controller/manage/TrainSignUpApplyController.java b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/controller/manage/TrainSignUpApplyController.java
index 7aca142..5f073af 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/controller/manage/TrainSignUpApplyController.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/controller/manage/TrainSignUpApplyController.java
@@ -398,7 +398,7 @@ public class TrainSignUpApplyController {
 			}
 			TrainSignUpType type = trainSignUpActivityService.dao().fetch(TrainSignUpType.class, course.getCourseType());
 			if (type != null) {
-				if (type.getIsBringFamily() && type.getIsAddFamily()) {
+			if (Boolean.TRUE.equals(type.getIsBringFamily()) && Boolean.TRUE.equals(type.getIsAddFamily())) {
 					List<NutMap> mobileColumnsValue = trainSignUpUser.getMobileColumnsValue();
 					NutMap map = mobileColumnsValue.stream().filter(o -> "xdqsrs".equals(o.getString("columnCode"))).findAny().orElse(null);
 					number = map != null ? map.getInt("columnValue") : 0;
@@ -441,7 +441,7 @@ public class TrainSignUpApplyController {
 			cnd.and(new Static(" userId in (select id from user where unionid = '%s')".formatted(SecurityUtil.getUnionId())));
 		}
 		cnd.asc("signUpTime");
-		if (!type.getIsBringFamily() && course.getReserveMode() == 2) {
+		if (!Boolean.TRUE.equals(type.getIsBringFamily()) && course.getReserveMode() == 2) {
 			List<TrainSignUpUser> signUpUsers = dao.query(TrainSignUpUser.class, cnd);
 			int thisSignUpUserCount = dao.count(TrainSignUpUser.class,
 					Cnd.where("activityId", "=", activityId)
diff --git a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityServiceImpl.java b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityServiceImpl.java
index e3c1955..bbf60f3 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityServiceImpl.java
@@ -384,7 +384,8 @@ public class TrainSignUpActivityServiceImpl extends BaseServiceImpl<TrainSignUpA
 			//课程已报人数
 			int normalCount = statisticsService.queryCourseCount(course.getId(), course.getCourseType());
 			//+1是算自己
-			int hasRegisterNum = type.getSelfAddFamily() ? normalCount + 1 : 0;
+			// 兼容历史数据中人数开关为空的情况，空值按未纳入人数处理，避免 Boolean 自动拆箱异常。
+			int hasRegisterNum = Boolean.TRUE.equals(type.getSelfAddFamily()) ? normalCount + 1 : 0;
 			trainSignUpUser.setState((hasRegisterNum + course.getCourseReservedNumber()) > course.getCoursePeopleNumber() ? 2 : 1);
 		} else {
 			trainSignUpUser.setState(1);
@@ -463,8 +464,8 @@ public class TrainSignUpActivityServiceImpl extends BaseServiceImpl<TrainSignUpA
 		int hasWaitCount = statisticsService.queryCourseWaitCount(course.getId(), course.getCourseType());
 
 		//+1是算自己
-		int current = type.getSelfAddFamily() ? 1 : 0;
-		currentFamilyNumber = type.getIsBringFamily() && type.getIsAddFamily() ? currentFamilyNumber : 0;
+		int current = Boolean.TRUE.equals(type.getSelfAddFamily()) ? 1 : 0;
+		currentFamilyNumber = Boolean.TRUE.equals(type.getIsBringFamily()) && Boolean.TRUE.equals(type.getIsAddFamily()) ? currentFamilyNumber : 0;
 		//如果还有正常名额
 		if(limitCount - hasSignCount > 0) {
 			return (hasSignCount + current + currentFamilyNumber) > limitCount;
@@ -487,8 +488,8 @@ public class TrainSignUpActivityServiceImpl extends BaseServiceImpl<TrainSignUpA
 		int hasWaitCount = statisticsService.queryCourseWaitCount(course.getId(), course.getCourseType());
 
 		//+1是算自己
-		int current = type.getSelfAddFamily() ? 1 : 0;
-		currentFamilyNumber = type.getIsBringFamily() && type.getIsAddFamily() ? currentFamilyNumber : 0;
+		int current = Boolean.TRUE.equals(type.getSelfAddFamily()) ? 1 : 0;
+		currentFamilyNumber = Boolean.TRUE.equals(type.getIsBringFamily()) && Boolean.TRUE.equals(type.getIsAddFamily()) ? currentFamilyNumber : 0;
 		//如果还有正常名额
 		if(coursePeopleNumber - hasSignCount > 0) {
 			return (hasSignCount + current + currentFamilyNumber + course.getCourseReservedNumber()) > coursePeopleNumber;
diff --git a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityStatisticsServiceImpl.java b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityStatisticsServiceImpl.java
index 3403cb3..2e6ce56 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityStatisticsServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/trainSignUp/service/impl/TrainSignUpActivityStatisticsServiceImpl.java
@@ -237,10 +237,11 @@ public class TrainSignUpActivityStatisticsServiceImpl extends BaseServiceImpl<Tr
                 .and("state", "in", stateList)
                 .andEX("unionId", "=", unionId));
         signUpUsers.forEach(item -> {
-            if (type.getSelfAddFamily()) {
+            // 兼容历史数据中人数开关为空的情况，空值按未纳入人数处理，避免 Boolean 自动拆箱异常。
+            if (Boolean.TRUE.equals(type.getSelfAddFamily())) {
                 hasRegisterNum.getAndIncrement();
             }
-            if(type.getIsBringFamily() && type.getIsAddFamily()) {
+            if (Boolean.TRUE.equals(type.getIsBringFamily()) && Boolean.TRUE.equals(type.getIsAddFamily())) {
                 List<NutMap> mobileColumnsValue = item.getMobileColumnsValue();
                 NutMap map = mobileColumnsValue.stream().filter(o -> "xdqsrs".equals(o.getString("columnCode"))).findAny().orElse(null);
                 int number = map != null ? map.getInt("columnValue") : 0;
diff --git a/src/main/resources/views/platform/zhgh/activity/trainSignUp/userManage/index.html b/src/main/resources/views/platform/zhgh/activity/trainSignUp/userManage/index.html
index 27cf63b..d337377 100644
--- a/src/main/resources/views/platform/zhgh/activity/trainSignUp/userManage/index.html
+++ b/src/main/resources/views/platform/zhgh/activity/trainSignUp/userManage/index.html
@@ -13,15 +13,16 @@ layout("/layouts/platform.html"){
                         style="width: 100%"
                         v-model="pageForm.year"
                         value-format="yyyy"
+                        @change="yearChange"
                     ></el-date-picker>
                 </search-item>
                 <search-item label="活动名称">
-                    <el-select @change="activityChange" style="width: 100%" v-model="pageForm.activityId" filterable>
+                    <el-select @change="activityChange" clearable style="width: 100%" v-model="pageForm.activityId" filterable>
                         <el-option :label="item.activityName" :value="item.id" v-for="item in activityList" :key="item.id"></el-option>
                     </el-select>
                 </search-item>
                 <search-item :label="trainType + '：'">
-                    <el-select @change="courseChange" :placeholder="'请选择' + trainType" style="width: 100%" v-model="pageForm.courseId" filterable>
+                    <el-select @change="courseChange" clearable :placeholder="'请选择' + trainType" style="width: 100%" v-model="pageForm.courseId" filterable>
                         <el-option :label="item.courseName" :value="item.id" v-for="item in courseList" :key="item.id"></el-option>
                     </el-select>
                 </search-item>
@@ -164,15 +165,27 @@ layout("/layouts/platform.html"){
                     .catch(() => {})
             },
             courseChange(val) {
+                if (!val) {
+                    // 清除子活动时同步清空当前课程和状态，避免后续操作继续使用旧课程对象。
+                    this.$set(this, "course", {})
+                    this.$set(this, "reserveMode", 1)
+                    const stateColumnIndex = this.tableColumns.findIndex((o) => o.prop === "state")
+                    if (stateColumnIndex > -1) {
+                        this.tableColumns.splice(stateColumnIndex, 1)
+                    }
+                    this.$refs.tool.app = this
+                    this.doSearch()
+                    return
+                }
                 const course = this.courseList.find((o) => o.id === val)
-                this.course = course
-                this.reserveMode = course.reserveMode
+                this.$set(this, "course", course || {})
+                this.$set(this, "reserveMode", course ? course.reserveMode : 1)
                 if (this.reserveMode === 2) {
                     this.tableColumns.push({ label: "报名状态", prop: "state", sortable: true })
                 } else {
-                    const o = this.tableColumns.find((o) => o.label === "报名状态")
-                    if (o !== null && o !== undefined) {
-                        this.tableColumns.splice(this.tableColumns.length - 1, 1)
+                    const stateColumnIndex = this.tableColumns.findIndex((o) => o.prop === "state")
+                    if (stateColumnIndex > -1) {
+                        this.tableColumns.splice(stateColumnIndex, 1)
                     }
                 }
                 this.$refs.tool.app = this
@@ -193,17 +206,29 @@ layout("/layouts/platform.html"){
             },
             async activityChange(val) {
                 this.$nextTick(async () => {
+                    if (!val) {
+                        // 清除活动时同步清空子活动和相关状态，避免页面显示上一个活动的数据。
+                        this.$set(this.pageForm, "courseId", null)
+                        this.$set(this, "courseList", [])
+                        this.$set(this, "course", {})
+                        this.$set(this, "trainType", "培训班")
+                        this.$set(this, "reserveMode", 1)
+                        this.doSearch()
+                        return
+                    }
                     const activity = this.activityList.find((o) => o.id === val)
                     const type = this.dict.type.TRAIN_SIGNUP_TYPE?.find(o => o.code === activity.trainType)
-                    this.trainType = type?.name || "培训班"
+                    this.$set(this, "trainType", type?.name || "培训班")
                     const resp = await this.$axios.post(loc() + "/getCourseByActivityId", { activityId: val })
-                    this.courseList = resp.data
+                    this.$set(this, "courseList", resp.data || [])
                     if(this.courseList.length > 0) {
-                        this.$set(this.pageForm, "courseId", this.courseList[0].id)
+                        await this.courseChange(this.courseList[0].id)
                     } else {
-                        this.pageForm.courseId = ""
+                        this.$set(this.pageForm, "courseId", null)
+                        this.$set(this, "course", {})
+                        this.$set(this, "reserveMode", 1)
+                        this.doSearch()
                     }
-                    this.doSearch()
                 })
             },
             async handleUser(userId) {
@@ -214,15 +239,23 @@ layout("/layouts/platform.html"){
                 }
             },
             async yearChange() {
-                this.pageForm.activityId = null
+                this.$set(this.pageForm, "activityId", null)
+                this.$set(this.pageForm, "courseId", null)
+                this.$set(this, "activityList", [])
+                this.$set(this, "courseList", [])
+                this.$set(this, "course", {})
+                this.$set(this, "trainType", "培训班")
+                this.$set(this, "reserveMode", 1)
                 await this.getActivityList()
-                await this.doSearch()
+                if (!this.activityList || this.activityList.length === 0) {
+                    this.doSearch()
+                }
             },
             async getActivityList() {
                 const resp = await this.$axios.post("/platform/trainSignUp/statistics/activityList", { year: this.pageForm.year })
-                this.activityList = resp.data
+                this.$set(this, "activityList", resp.data || [])
                 if (this.activityList && this.activityList.length > 0) {
-                    this.pageForm.activityId = this.activityList[0].id
+                    this.$set(this.pageForm, "activityId", this.activityList[0].id)
                     await this.activityChange(this.activityList[0].id)
                 }
             },