diff --git a/backend/src/main/java/com/budwk/app/module/activity/controller/ActUserController.java b/backend/src/main/java/com/budwk/app/module/activity/controller/ActUserController.java
index e95602f..876d7a3 100644
--- a/backend/src/main/java/com/budwk/app/module/activity/controller/ActUserController.java
+++ b/backend/src/main/java/com/budwk/app/module/activity/controller/ActUserController.java
@@ -222,7 +222,7 @@ public class ActUserController {
                 add(new ExcelExportEntity("联系方式", "mobile", 20));
                 add(new ExcelExportEntity("职务", "position", 20));
                 add(new ExcelExportEntity("所属单位", "unitName", 20));
-                add(new ExcelExportEntity("报名时间", "signUpTime", 20));
+                add(new ExcelExportEntity("报名时间", "signUpTime2", 20));
                 add(new ExcelExportEntity("是否签到", "isSignInDesc", 20));
             }};
             response.setContentType("application/octet-stream");
diff --git a/backend/src/main/java/com/budwk/app/module/activity/service/impl/ActUserServiceImpl.java b/backend/src/main/java/com/budwk/app/module/activity/service/impl/ActUserServiceImpl.java
index ca1ff4c..214d1b1 100644
--- a/backend/src/main/java/com/budwk/app/module/activity/service/impl/ActUserServiceImpl.java
+++ b/backend/src/main/java/com/budwk/app/module/activity/service/impl/ActUserServiceImpl.java
@@ -38,7 +38,7 @@ public class ActUserServiceImpl extends BaseServiceImpl<ActUser> implements ActU
         Sql sql = Sqls.create("""
                 SELECT
                   u.*,
-                   DATE_FORMAT(signUpTime, '%Y-%m-%d %H:%i:%s') signUpTime,
+                   DATE_FORMAT(signUpTime, '%Y-%m-%d %H:%i:%s') signUpTime2,
                    CASE u.isSignIn
                               WHEN 1 THEN '已签到'
                               WHEN 0 THEN '未签到'
diff --git a/backend/src/main/resources/views/platform/activity/itemApplyQuery/index.html b/backend/src/main/resources/views/platform/activity/itemApplyQuery/index.html
index dd0e636..4b67764 100644
--- a/backend/src/main/resources/views/platform/activity/itemApplyQuery/index.html
+++ b/backend/src/main/resources/views/platform/activity/itemApplyQuery/index.html
@@ -67,7 +67,7 @@ layout("/layouts/platform_1.html"){
             </div>
 
             <div class="search-query">
-                <el-button type="primary" icon="el-icon-search" @click="doSearch">搜索</el-button>
+                <el-button type="primary" @click="doSearch">搜索</el-button>
             </div>
         </div>
     </el-card>
diff --git a/backend/src/main/resources/views/platform/activity/signInUserQuery/index.html b/backend/src/main/resources/views/platform/activity/signInUserQuery/index.html
index 51ac18a..68e6782 100644
--- a/backend/src/main/resources/views/platform/activity/signInUserQuery/index.html
+++ b/backend/src/main/resources/views/platform/activity/signInUserQuery/index.html
@@ -77,7 +77,7 @@ layout("/layouts/platform_1.html"){
 
     <el-card shadow="never" class="mt-3">
         <el-row type="flex" class="mb-3" style="justify-content: flex-end">
-            <el-button icon="el-icon-plus" type="primary" size="small" @click="doExport">导出</el-button>
+            <el-button type="primary" size="small" @click="doExport">导出</el-button>
         </el-row>
         <el-table v-loading="tableLoading" show-overflow-tooltip :data="tableData">
             <el-table-column label="序号" prop="index" header-align="center" align="center" width="50">