diff --git a/broker/src/main/resources/c3p0-config.xml b/broker/src/main/resources/c3p0-config.xml
index 280d2951..546307e1 100755
--- a/broker/src/main/resources/c3p0-config.xml
+++ b/broker/src/main/resources/c3p0-config.xml
@@ -15,7 +15,7 @@
         <!--MySQL数据库驱动程序-->
         <property name="driverClass">com.mysql.cj.jdbc.Driver</property>
         <!--MySQL数据库地址-->
-        <property name="jdbcUrl">jdbc:mysql://localhost:3306/wfchat?useSSL=false&amp;serverTimezone=GMT&amp;allowPublicKeyRetrieval=true</property>
+        <property name="jdbcUrl">jdbc:mysql://localhost:3306/wfchat?useSSL=false&amp;serverTimezone=GMT&amp;allowPublicKeyRetrieval=true&amp;useUnicode=true&amp;characterEncoding=utf8</property>
         <!--MySQL数据库用户名-->
         <property name="user">root</property>
         <!--MySQL数据库密码-->
diff --git a/distribution/src/main/resources/c3p0-config.xml b/distribution/src/main/resources/c3p0-config.xml
index 62c2fa2f..9ed48663 100755
--- a/distribution/src/main/resources/c3p0-config.xml
+++ b/distribution/src/main/resources/c3p0-config.xml
@@ -15,7 +15,7 @@
         <!--MySQL数据库驱动程序-->
         <property name="driverClass">com.mysql.cj.jdbc.Driver</property>
         <!--MySQL数据库地址-->
-        <property name="jdbcUrl">jdbc:mysql://localhost:3306/wfchat?useSSL=false&amp;serverTimezone=GMT&amp;allowPublicKeyRetrieval=true</property>
+        <property name="jdbcUrl">jdbc:mysql://localhost:3306/wfchat?useSSL=false&amp;serverTimezone=GMT&amp;allowPublicKeyRetrieval=true&amp;useUnicode=true&amp;characterEncoding=utf8</property>
         <!--MySQL数据库用户名-->
         <property name="user">root</property>
         <!--MySQL数据库密码-->
diff --git a/distribution/src/main/scripts/wildfirechat.sh b/distribution/src/main/scripts/wildfirechat.sh
index 9f9ef781..66eb6297 100755
--- a/distribution/src/main/scripts/wildfirechat.sh
+++ b/distribution/src/main/scripts/wildfirechat.sh
@@ -80,8 +80,8 @@ JAVA_OPTS="$JAVA_OPTS -XX:+UseGCLogFileRotation"
 JAVA_OPTS="$JAVA_OPTS -XX:NumberOfGCLogFiles=10"
 JAVA_OPTS="$JAVA_OPTS -XX:GCLogFileSize=10M"
 
+#JAVA_OPTS="$JAVA_OPTS -Xmx128M"
+#JAVA_OPTS="$JAVA_OPTS -Xms128M"
 
-JAVA_OPTS="$JAVA_OPTS -Xmx128M"
-JAVA_OPTS="$JAVA_OPTS -Xms128M"
 
 $JAVA -server $JAVA_OPTS $JAVA_OPTS_SCRIPT -Dlog4j.configuration="file:$LOG_FILE" -Dcom.mchange.v2.c3p0.cfg.xml="$C3P0_CONF_FILE" -Dhazelcast.configuration="file:$HZ_CONF_FILE" -Dwildfirechat.path="$WILDFIRECHAT_PATH" -cp "$WILDFIRECHAT_HOME/lib/*" cn.wildfirechat.server.Server