diff --git a/src/main/java/org/shop/crop/CropController.java b/src/main/java/org/shop/crop/CropController.java
index dc5193f..05f9bc1 100644
--- a/src/main/java/org/shop/crop/CropController.java
+++ b/src/main/java/org/shop/crop/CropController.java
@@ -56,7 +56,7 @@ public class CropController {
     @GetMapping("/crop/chatData")
     public List<CropMessage> chatData(Long startSeq, String corpId) throws IOException {
         synchronized (SDK_LOCK) {
-            long limit = 100;
+            long limit = 50;
             long slice = Finance.NewSlice();
             long sdk = 0;