diff --git a/broker/config/hazelcast.xml b/broker/config/hazelcast.xml
index 19c38c3e..a80a3122 100755
--- a/broker/config/hazelcast.xml
+++ b/broker/config/hazelcast.xml
@@ -13,6 +13,10 @@
         </join>
     </network>
 
+    <properties>
+        <property name="hazelcast.logging.type">slf4j</property>
+    </properties>
+
     <!-- map eviction -->
     <!-- http://docs.hazelcast.org/docs/latest-development/manual/html/Distributed_Data_Structures/Map/Map_Eviction.html -->
     <map name="messages_map">
diff --git a/distribution/src/main/resources/hazelcast.xml b/distribution/src/main/resources/hazelcast.xml
index 65295e75..fcf4511d 100755
--- a/distribution/src/main/resources/hazelcast.xml
+++ b/distribution/src/main/resources/hazelcast.xml
@@ -9,6 +9,10 @@
         </join>
     </network>
 
+    <properties>
+        <property name="hazelcast.logging.type">slf4j</property>
+    </properties>
+
     <!-- map eviction -->
     <!-- http://docs.hazelcast.org/docs/latest-development/manual/html/Distributed_Data_Structures/Map/Map_Eviction.html -->
     <map name="messages_map">
diff --git a/distribution/src/main/scripts/wildfirechat.sh b/distribution/src/main/scripts/wildfirechat.sh
index 0c97ce77..3285cfaa 100755
--- a/distribution/src/main/scripts/wildfirechat.sh
+++ b/distribution/src/main/scripts/wildfirechat.sh
@@ -72,18 +72,20 @@ JAVA_OPTS="$JAVA_OPTS -XX:MaxGCPauseMillis=500"
 
 ### GC logging options -- uncomment to enable
 
-JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDetails"
+#JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDetails"
 #JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDateStamps"
-JAVA_OPTS="$JAVA_OPTS -XX:+PrintHeapAtGC"
-JAVA_OPTS="$JAVA_OPTS -XX:+PrintTenuringDistribution"
-JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCApplicationStoppedTime"
-JAVA_OPTS="$JAVA_OPTS -XX:+PrintPromotionFailure"
+#JAVA_OPTS="$JAVA_OPTS -XX:+PrintHeapAtGC"
+#JAVA_OPTS="$JAVA_OPTS -XX:+PrintTenuringDistribution"
+#JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCApplicationStoppedTime"
+#JAVA_OPTS="$JAVA_OPTS -XX:+PrintPromotionFailure"
 #JAVA_OPTS="$JAVA_OPTS -XX:PrintFLSStatistics=1"
-JAVA_OPTS="$JAVA_OPTS -XX:+UseGCLogFileRotation"
-JAVA_OPTS="$JAVA_OPTS -XX:NumberOfGCLogFiles=10"
-JAVA_OPTS="$JAVA_OPTS -XX:GCLogFileSize=10M"
+#JAVA_OPTS="$JAVA_OPTS -XX:+UseGCLogFileRotation"
+#JAVA_OPTS="$JAVA_OPTS -XX:NumberOfGCLogFiles=10"
+#JAVA_OPTS="$JAVA_OPTS -XX:GCLogFileSize=10M"
 
+echo ""
 echo "请设置JVM参数Xmx和Xms！！！"
+echo ""
 #JAVA_OPTS="$JAVA_OPTS -Xmx2G"
 #JAVA_OPTS="$JAVA_OPTS -Xms2G"