diff --git a/dolphinscheduler-api/src/main/resources/logback-spring.xml b/dolphinscheduler-api/src/main/resources/logback-spring.xml
index 36ba43a497..f46d732b8d 100644
--- a/dolphinscheduler-api/src/main/resources/logback-spring.xml
+++ b/dolphinscheduler-api/src/main/resources/logback-spring.xml
@@ -56,7 +56,6 @@
                 <appender-ref ref="STDOUT"/>
             </then>
         </if>
-        <appender-ref ref="STDOUT"/>
         <appender-ref ref="APILOGFILE"/>
     </root>
 </configuration>