diff --git a/java/openmldb-import/pom.xml b/java/openmldb-import/pom.xml
index 594344a7c98..eceaa7c3494 100644
--- a/java/openmldb-import/pom.xml
+++ b/java/openmldb-import/pom.xml
@@ -9,6 +9,7 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
     </properties>