diff --git a/src/api/stuwork/activityinfosub.ts b/src/api/stuwork/activityinfosub.ts
index c7a8e8b..97d0745 100644
--- a/src/api/stuwork/activityinfosub.ts
+++ b/src/api/stuwork/activityinfosub.ts
@@ -47,3 +47,15 @@ export const delObj = (ids: string[]) => {
   });
 };
 
+/**
+ * 活动报名
+ * @param data 报名信息 { activityInfoId, id (子项目ID), remarks }
+ */
+export const signUp = (data: any) => {
+  return request({
+    url: '/stuwork/activityinfosub/signUp',
+    method: 'post',
+    data
+  });
+};
+
diff --git a/src/views/stuwork/activityinfosub/index.vue b/src/views/stuwork/activityinfosub/index.vue
index 98cc2fc..0ea70d1 100644
--- a/src/views/stuwork/activityinfosub/index.vue
+++ b/src/views/stuwork/activityinfosub/index.vue
@@ -126,16 +126,23 @@
               <span style="margin-left: 4px">活动说明</span>
             </template>
           </el-table-column>
-          <el-table-column label="操作" width="100" align="center" fixed="right">
+          <el-table-column label="操作" width="150" align="center" fixed="right">
             <template #header>
               <el-icon><Setting /></el-icon>
               <span style="margin-left: 4px">操作</span>
             </template>
             <template #default="scope">
-              <el-button 
-                icon="Delete" 
+              <el-button
+                icon="Edit"
                 link
-                type="danger" 
+                type="primary"
+                @click="handleSignUp(scope.row)">
+                报名
+              </el-button>
+              <el-button
+                icon="Delete"
+                link
+                type="danger"
                 @click="handleDelete(scope.row)">
                 删除
               </el-button>
@@ -162,7 +169,7 @@
 <script setup lang="ts" name="ActivityInfoSub">
 import { reactive, ref, onMounted } from 'vue'
 import { BasicTableProps, useTable } from "/@/hooks/table";
-import { fetchList, delObj, getActivityInfoList } from "/@/api/stuwork/activityinfosub";
+import { fetchList, delObj, getActivityInfoList, signUp } from "/@/api/stuwork/activityinfosub";
 import { useMessage, useMessageBox } from "/@/hooks/message";
 import { parseTime } from "/@/utils/formatTime";
 import TableColumnControl from '/@/components/TableColumnControl/index.vue'
@@ -243,6 +250,28 @@ const handleDelete = async (row: any) => {
   }
 }
 
+// 活动报名
+const handleSignUp = async (row: any) => {
+  const { confirm } = useMessageBox()
+  try {
+    await confirm(`确定要报名参加【${row.subTitle || '该活动'}】吗？`)
+    state.loading = true
+    await signUp({
+      activityInfoId: row.activityInfoId,
+      id: row.id,
+      remarks: ''
+    })
+    useMessage().success('报名成功')
+    getDataList()
+  } catch (err: any) {
+    if (err !== 'cancel') {
+      useMessage().error(err.msg || '报名失败')
+    }
+  } finally {
+    state.loading = false
+  }
+}
+
 // 获取活动主题列表
 const getActivityInfoListData = async () => {
   try {