diff --git a/src/main/java/io/v/nutz/task/job/sourcechange/SourceChangeJob.java b/src/main/java/io/v/nutz/task/job/sourcechange/SourceChangeJob.java
index 48d763c..cd165c3 100644
--- a/src/main/java/io/v/nutz/task/job/sourcechange/SourceChangeJob.java
+++ b/src/main/java/io/v/nutz/task/job/sourcechange/SourceChangeJob.java
@@ -8,6 +8,7 @@ import org.nutz.dao.Cnd;
 import org.nutz.dao.Dao;
 import org.nutz.ioc.loader.annotation.Inject;
 import org.nutz.ioc.loader.annotation.IocBean;
+import org.nutz.lang.Lang;
 import org.nutz.lang.util.NutMap;
 import org.quartz.Job;
 import org.quartz.JobExecutionContext;
@@ -49,12 +50,14 @@ public class SourceChangeJob implements Job {
             }
         });
 
-        // 收集成发送短信内容
-        String updateDataStr = updateDataList.stream().map(v -> {
-            return v.getString("changeType") + "：" + v.getInt("count") + "人";
-        }).collect(Collectors.joining(","));
-        String content = "智慧工会" + today + "数据更新汇总：" + updateDataStr;
+        if (Lang.isNotEmpty(updateDataList)) {
+            // 收集成发送短信内容
+            String updateDataStr = updateDataList.stream().map(v -> {
+                return v.getString("changeType") + "：" + v.getInt("count") + "人";
+            }).collect(Collectors.joining(","));
+            String content = "智慧工会" + today + "数据更新汇总：" + updateDataStr;
 
-        msgApi.sendMsg(List.of("DingTalk"), "2004000022", 1, "数据更新汇总", content, "", "");
+            msgApi.sendMsg(List.of("DingTalk"), "2004000022", 1, "数据更新汇总", content, "", "");
+        }
     }
 }
diff --git a/src/main/resources/views/platform/sourcechange/manage/index.html b/src/main/resources/views/platform/sourcechange/manage/index.html
index bab01eb..9b8ab7e 100644
--- a/src/main/resources/views/platform/sourcechange/manage/index.html
+++ b/src/main/resources/views/platform/sourcechange/manage/index.html
@@ -48,7 +48,7 @@ layout("/layouts/platform.html"){
             </el-card>
 
             <el-card shadow="never" class="mt10">
-                <table-tool :app="this" label="变更记录（默认查询当天变更记录，如需查询更多变更记录，请选择上方【变更日期】后进行搜索）">
+                <table-tool :app="this" label="变更记录（默认查询最近三个月，如需查询其他变更记录，请选择上方【变更日期】后进行搜索）">
                     <template #func>
                         <el-button type="primary" style="margin-right: 10px" size="small" @click="doBatchChange">批量确认</el-button>