diff --git a/bin/start.sh b/bin/start.sh
index b32993d2..daeabdfc 100644
--- a/bin/start.sh
+++ b/bin/start.sh
@@ -5,4 +5,4 @@ JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom  -server -Xms512M -Xmx512M -X
 WORK_PATH=$(cd `dirname $0`; pwd)
 cd $WORK_PATH
 cd ..
-$JAVA_HOME/bin/java $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS $JAVA_OPTS -jar phoenix_ddos_handle.jar
+$JAVA_HOME/bin/java $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS $JAVA_OPTS -jar phoenix_ddos_handle.jar &