diff --git a/zh-module-applet/zh-applet-api/src/main/java/org/jeecg/system/applet/controller/SurvAlertRecordController.java b/zh-module-applet/zh-applet-api/src/main/java/org/jeecg/system/applet/controller/SurvAlertRecordController.java
index ae546a9..e28cb83 100644
--- a/zh-module-applet/zh-applet-api/src/main/java/org/jeecg/system/applet/controller/SurvAlertRecordController.java
+++ b/zh-module-applet/zh-applet-api/src/main/java/org/jeecg/system/applet/controller/SurvAlertRecordController.java
@@ -52,7 +52,7 @@ public class SurvAlertRecordController {
         survSummaryDTO.setTenantId(tenantId);
         if(StringUtils.isNotBlank(survSummaryDTO.getStartTime())){
             if(survSummaryDTO.getStartTime().equals(survSummaryDTO.getEndTime())){
-                LocalDateTime startTime =  DateParseUtils.parseToLocalDateTime(survSummaryDTO.getStartTime()+" 00:00:00","yyyy-MM-dd HH:mm:ss");
+                LocalDateTime startTime =  DateParseUtils.parseToLocalDateTime(survSummaryDTO.getStartTime(),"yyyy-MM-dd");
                 startTime=startTime.minusDays(30);
                 survSummaryDTO.setStartTime(DateParseUtils.formatLocalDateTime(startTime,"yyyy-MM-dd"));//开始时间改为结束时间的30天前
             }