diff --git a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsStatisticalReportController.java b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsStatisticalReportController.java
index 7786264..761484f 100644
--- a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsStatisticalReportController.java
+++ b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsStatisticalReportController.java
@@ -10,8 +10,6 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.util.Date;
-
 /**
  * 单站监控-统计报表
  * 
diff --git a/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java b/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
index 631dab7..bd59fc7 100644
--- a/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
+++ b/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
@@ -1,16 +1,21 @@
 package com.xzzn.ems.service.impl;
 
+import com.xzzn.common.utils.DateUtils;
 import com.xzzn.ems.domain.vo.DateSearchRequest;
 import com.xzzn.ems.domain.vo.ElectricDataInfoVo;
 import com.xzzn.ems.domain.vo.SiteMonitorDataVo;
 import com.xzzn.ems.mapper.EmsPcsDataMapper;
 import com.xzzn.ems.service.IEmsStatsReportService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
+import java.time.LocalDate;
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -23,6 +28,8 @@ import java.util.List;
 public class EmsStatsReportServiceImpl implements IEmsStatsReportService
 {
 
+    private static final Logger log = LoggerFactory.getLogger(EmsStatsReportServiceImpl.class);
+
     @Autowired
     private EmsPcsDataMapper emsPcsDataMapper;
 
@@ -30,6 +37,14 @@ public class EmsStatsReportServiceImpl implements IEmsStatsReportService
     public ElectricDataInfoVo getElectricDataResult(DateSearchRequest requestVo) {
         ElectricDataInfoVo electricDataInfoVo = new ElectricDataInfoVo();
 
+        Date startDate = requestVo.getStartDate();
+        Date endDate = requestVo.getEndDate();
+        if (startDate == null && endDate == null) {
+            // 如果没有传时间，默认从今天往前7天
+            LocalDate sevenDaysAgo = LocalDate.now().minusDays(6);
+            startDate = DateUtils.toDate(sevenDaysAgo);
+            requestVo.setStartDate(startDate);
+        }
         // 根据时间获取每天的充放电量
         List<SiteMonitorDataVo> dataList = emsPcsDataMapper.getPcsDataByDate(requestVo);
         if (!CollectionUtils.isEmpty(dataList)){
diff --git a/ems-system/src/main/resources/mapper/ems/EmsPcsDataMapper.xml b/ems-system/src/main/resources/mapper/ems/EmsPcsDataMapper.xml
index 20dcad0..919d039 100644
--- a/ems-system/src/main/resources/mapper/ems/EmsPcsDataMapper.xml
+++ b/ems-system/src/main/resources/mapper/ems/EmsPcsDataMapper.xml
@@ -379,8 +379,10 @@
         from  ( SELECT p.site_id,  p.device_id,p.date_month,p.date_day, MAX(p.data_update_time) AS max_update_time
                 FROM ems_pcs_data p
                 where p.site_id = #{siteId}
-                <if test="startDate != null and endDate != null">
+                <if test="startDate != null">
                     and p.data_update_time &gt;= #{startDate}
+                </if>
+                <if test="endDate != null">
                     and p.data_update_time &lt; DATE_ADD(#{endDate}, INTERVAL 1 DAY)
                 </if>
         GROUP BY p.site_id,p.device_id,p.date_month,p.date_day