diff --git a/case 8.1.2 ElasticSearch BigData/pom.xml b/case 8.1.2 ElasticSearch BigData/pom.xml
index c6e4dc1f..08bbb906 100644
--- a/case 8.1.2 ElasticSearch BigData/pom.xml	
+++ b/case 8.1.2 ElasticSearch BigData/pom.xml	
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>cn.hutool</groupId>
             <artifactId>hutool-core</artifactId>
-            <version>4.6.1</version>
+            <version>5.8.19</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>