diff --git a/README.md b/README.md
index 81a45349..2f1a12fe 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@ EasyExcel
 [![License](http://img.shields.io/:license-apache-brightgreen.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)
 
 [QQ群: 662022184](//shang.qq.com/wpa/qunwpa?idkey=53d9d821b0833e3c14670f007488a61e300f00ff4f1b81fd950590d90dd80f80)
-[钉钉群: 21960511](https://qr.dingtalk.com/action/joingroup?code=v1,k1,cchz6k12ci9B08NNqhNRFGXocNVHrZtW0kaOtTKg/Rk=&_dt_no_comment=1&origin=11)
+[钉钉1群（已满）: 21960511](https://qr.dingtalk.com/action/joingroup?code=v1,k1,cchz6k12ci9B08NNqhNRFGXocNVHrZtW0kaOtTKg/Rk=&_dt_no_comment=1&origin=11)
+[钉钉2群: 32796397](https://qr.dingtalk.com/action/joingroup?code=v1,k1,jyU9GtEuNU5S0QTyklqYcYJ8qDZtUuTPMM7uPZTS8Hs=&_dt_no_comment=1&origin=11)
 
 [官方网站: https://yuque.com/easyexcel](https://www.yuque.com/easyexcel/doc/easyexcel)
 
diff --git a/pom.xml b/pom.xml
index cc83fd25..55f5f6d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.58</version>
+            <version>1.2.68</version>
             <scope>test</scope>
         </dependency>
         <dependency>