diff --git a/yudao-dependencies/pom.xml b/yudao-dependencies/pom.xml
index 708b26eb1a..83eda05010 100644
--- a/yudao-dependencies/pom.xml
+++ b/yudao-dependencies/pom.xml
@@ -62,7 +62,7 @@
         <transmittable-thread-local.version>2.14.5</transmittable-thread-local.version>
         <commons-net.version>3.11.1</commons-net.version>
         <jsch.version>0.1.55</jsch.version>
-        <tika-core.version>3.1.0</tika-core.version>
+        <tika-core.version>2.9.3</tika-core.version> <!-- JDK8 不能从 2.9.3 升级到 3.X，会报 JDK8 不支持 -->
         <ip2region.version>2.7.0</ip2region.version>
         <bizlog-sdk.version>3.0.6</bizlog-sdk.version>
         <netty.version>4.1.116.Final</netty.version>