diff --git a/install.sh b/install.sh
index 9023af86be..c652f237b4 100644
--- a/install.sh
+++ b/install.sh
@@ -268,7 +268,7 @@ sed -i ${txt} "s#master.exec.task.number.*#master.exec.task.number=${masterExecT
 sed -i ${txt} "s#master.heartbeat.interval.*#master.heartbeat.interval=${masterHeartbeatInterval}#g" conf/master.properties
 sed -i ${txt} "s#master.task.commit.retryTimes.*#master.task.commit.retryTimes=${masterTaskCommitRetryTimes}#g" conf/master.properties
 sed -i ${txt} "s#master.task.commit.interval.*#master.task.commit.interval=${masterTaskCommitInterval}#g" conf/master.properties
-sed -i ${txt} "s#master.max.cpuload.avg.*#master.max.cpuload.avg=${masterMaxCpuLoadAvg}#g" conf/master.properties
+#sed -i ${txt} "s#master.max.cpuload.avg.*#master.max.cpuload.avg=${masterMaxCpuLoadAvg}#g" conf/master.properties
 sed -i ${txt} "s#master.reserved.memory.*#master.reserved.memory=${masterReservedMemory}#g" conf/master.properties