diff --git a/src/main/java/org/shop/crop/CropController.java b/src/main/java/org/shop/crop/CropController.java
index 79e1d47..05f9bc1 100644
--- a/src/main/java/org/shop/crop/CropController.java
+++ b/src/main/java/org/shop/crop/CropController.java
@@ -9,18 +9,14 @@ import org.shop.crop.constant.GlobalConstants;
 import org.shop.crop.dao.CropConfig;
 import org.shop.crop.dao.CropFile;
 import org.shop.crop.dao.CropMessage;
-import org.shop.crop.dao.CropMessageSensitiveRecord;
 import org.shop.crop.dto.BaseMessageDto;
 import org.shop.crop.dto.ChatData;
 import org.shop.crop.dto.MessagePullResponse;
 import org.shop.crop.mapper.CropConfigMapper;
 import org.shop.crop.service.*;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.core.io.ClassPathResource;
-import org.springframework.transaction.TransactionDefinition;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.transaction.support.DefaultTransactionDefinition;
 import org.springframework.util.StreamUtils;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -60,7 +56,7 @@ public class CropController {
     @GetMapping("/crop/chatData")
     public List<CropMessage> chatData(Long startSeq, String corpId) throws IOException {
         synchronized (SDK_LOCK) {
-            long limit = 10;
+            long limit = 50;
             long slice = Finance.NewSlice();
             long sdk = 0;