From fa935e832acecf258905d2dafb883c98f14d9580 Mon Sep 17 00:00:00 2001
From: Silverados <295843706@qq.com>
Date: Fri, 24 Sep 2021 17:39:54 +0800
Subject: [PATCH] fix document mistake (#3304)

message.getBody() return byte[], so change to length.
---
 docs/en/Example_Batch.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/en/Example_Batch.md b/docs/en/Example_Batch.md
index 11bb42ff..06461bb5 100644
--- a/docs/en/Example_Batch.md
+++ b/docs/en/Example_Batch.md
@@ -57,7 +57,7 @@ public class ListSplitter implements Iterator<List<Message>> {
         return currIndex; 
     }
     private int calcMessageSize(Message message) {
-        int tmpSize = message.getTopic().length() + message.getBody().length(); 
+        int tmpSize = message.getTopic().length() + message.getBody().length; 
         Map<String, String> properties = message.getProperties();
         for (Map.Entry<String, String> entry : properties.entrySet()) {
             tmpSize += entry.getKey().length() + entry.getValue().length(); 
@@ -78,4 +78,4 @@ while (splitter.hasNext()) {
        // handle the error
    }
 }
-```
\ No newline at end of file
+```
-- 
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