diff --git a/fw-valhalla-server/src/main/java/cn/fw/valhalla/controller/task/ReportPrepareTask.java b/fw-valhalla-server/src/main/java/cn/fw/valhalla/controller/task/ReportPrepareTask.java
index 9403ce2..3ec6249 100644
--- a/fw-valhalla-server/src/main/java/cn/fw/valhalla/controller/task/ReportPrepareTask.java
+++ b/fw-valhalla-server/src/main/java/cn/fw/valhalla/controller/task/ReportPrepareTask.java
@@ -31,9 +31,8 @@ public class ReportPrepareTask {
     /**
      * 保持率进站率报表数据准备
      */
-    @Scheduled(cron = "0 0 0 ? * * ")
+    @Scheduled(cron = "30 0 0 ? * * ")
     public void extractingData() {
-//        CompletableFuture.runAsync(() -> retentionRatioBizService.extracting(DateUtil.startDate(new Date())), ThreadPoolUtil.getInstance().getExecutor());
         retentionRatioBizService.extracting(DateUtil.startDate(new Date()));
     }
 
diff --git a/fw-valhalla-service/src/main/java/cn/fw/valhalla/service/report/PublicReportBizService.java b/fw-valhalla-service/src/main/java/cn/fw/valhalla/service/report/PublicReportBizService.java
index 3e493fc..8063fe8 100644
--- a/fw-valhalla-service/src/main/java/cn/fw/valhalla/service/report/PublicReportBizService.java
+++ b/fw-valhalla-service/src/main/java/cn/fw/valhalla/service/report/PublicReportBizService.java
@@ -1,9 +1,14 @@
 package cn.fw.valhalla.service.report;
 
+import cn.fw.common.cache.locker.DistributedLocker;
+import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.redisson.api.RLock;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
 
 import java.time.LocalDate;
 
@@ -20,6 +25,11 @@ import java.time.LocalDate;
 @Slf4j
 @RequiredArgsConstructor
 public class PublicReportBizService {
+    private final DistributedLocker distributedLocker;
+
+    @Value("${spring.cache.custom.global-prefix}:PublicReport:extracting")
+    @Getter
+    private String keyPrefix;
 
     /**
      * 抽取集团公共池数据
@@ -28,8 +38,24 @@ public class PublicReportBizService {
      * @param groupId 集团id
      */
     @Transactional(rollbackFor = Exception.class)
-    public void extracting(LocalDate nowDate, Long groupId) {
+    public void extracting(final LocalDate nowDate, final Long groupId) {
         log.info("开始抽取公共池报表数据，日期:{} 集团:{}", nowDate, groupId);
-        // TODO: 2023/5/4 完成方法
+        final String lockKey = generateKey(groupId);
+        RLock lock = (RLock) distributedLocker.lock(lockKey);
+        if (lock == null || !lock.isLocked()) {
+            return;
+        }
+        try {
+            // TODO: 2023/5/4 完成方法
+        } finally {
+            if (lock.isLocked()) {
+                lock.unlock();
+            }
+        }
+    }
+
+    private String generateKey(final Long groupId) {
+        Assert.notNull(groupId, "groupId cannot be null");
+        return String.format("%s:%s", getKeyPrefix(), groupId);
     }
 }