diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/HadoopUtils.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/HadoopUtils.java
index a0c2bf4e58..8fa8d72236 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/HadoopUtils.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/HadoopUtils.java
@@ -649,27 +649,25 @@ public class HadoopUtils implements Closeable {
 
             String yarnUrl = "http://%s:" + activeResourceManagerPort + "/ws/v1/cluster/info";
 
-            String state = null;
             try {
+
                 /**
-                 * send http get request to rm1
+                 * send http get request to rm
                  */
-                state = getRMState(String.format(yarnUrl, rmIdArr[0]));
 
-                if (Constants.HADOOP_RM_STATE_ACTIVE.equals(state)) {
-                    return rmIdArr[0];
-                } else if (Constants.HADOOP_RM_STATE_STANDBY.equals(state)) {
-                    state = getRMState(String.format(yarnUrl, rmIdArr[1]));
+                for (String rmId : rmIdArr) {
+                    String state = getRMState(String.format(yarnUrl, rmId));
                     if (Constants.HADOOP_RM_STATE_ACTIVE.equals(state)) {
-                        return rmIdArr[1];
+                        return rmId;
                     }
-                } else {
-                    return null;
                 }
+
             } catch (Exception e) {
-                state = getRMState(String.format(yarnUrl, rmIdArr[1]));
-                if (Constants.HADOOP_RM_STATE_ACTIVE.equals(state)) {
-                    return rmIdArr[0];
+                for (int i = 1; i < rmIdArr.length; i++) {
+                    String  state = getRMState(String.format(yarnUrl, rmIdArr[i]));
+                    if (Constants.HADOOP_RM_STATE_ACTIVE.equals(state)) {
+                        return rmIdArr[i];
+                    }
                 }
             }
             return null;
diff --git a/dolphinscheduler-ui/.babelrc b/dolphinscheduler-ui/.babelrc
index aeb5ba2059..5fe8580fed 100644
--- a/dolphinscheduler-ui/.babelrc
+++ b/dolphinscheduler-ui/.babelrc
@@ -5,7 +5,15 @@
         "debug": false,
         "useBuiltIns": true,
         "targets": {
-          "browsers": [ "ie > 8", "last 2 version", "safari >= 9" ]
+          "browsers": [
+            "> 1%",
+            "last 2 versions",
+            "ie >= 9",
+            "edge >= 12",
+            "firefox >= 28",
+            "chrome >= 29",
+            "opera >= 17"
+          ]
         },
         "production": {
           "plugins": ["transform-remove-console"]
diff --git a/dolphinscheduler-ui/build/config.js b/dolphinscheduler-ui/build/config.js
index 77de5b690e..1186066e7f 100644
--- a/dolphinscheduler-ui/build/config.js
+++ b/dolphinscheduler-ui/build/config.js
@@ -47,7 +47,7 @@ const jsEntry = (() => {
     parts.shift()
     let modules = parts.join('/')
     let entry = moduleName(modules)
-    obj[entry] = val
+    obj[entry] = ['babel-polyfill', val]
   })
   return obj
 })()
diff --git a/dolphinscheduler-ui/package.json b/dolphinscheduler-ui/package.json
index eb1c7e15d7..609dd1043a 100644
--- a/dolphinscheduler-ui/package.json
+++ b/dolphinscheduler-ui/package.json
@@ -48,6 +48,7 @@
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-plugin-transform-vue-jsx": "^3.5.0",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "copy-webpack-plugin": "^4.5.2",
     "cross-env": "^5.2.0",
@@ -86,5 +87,14 @@
     "webpack-cli": "^3.3.10",
     "webpack-dev-server": "^3.9.0",
     "webpack-merge": "^4.2.2"
-  }
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "ie >= 9",
+    "edge >= 12",
+    "firefox >= 28",
+    "chrome >= 29",
+    "opera >= 17"
+  ]
 }
diff --git a/dolphinscheduler-ui/src/js/conf/home/index.js b/dolphinscheduler-ui/src/js/conf/home/index.js
index 3809f18a1c..8db055a36a 100644
--- a/dolphinscheduler-ui/src/js/conf/home/index.js
+++ b/dolphinscheduler-ui/src/js/conf/home/index.js
@@ -17,6 +17,7 @@
 
 // The Vue build version to load with the `import` command
 // (runtime-only or standalone) has been set in webpack.base.conf with an alias.
+import 'babel-polyfill'
 import Vue from 'vue'
 import ElementUI from 'element-ui'
 import locale from 'element-ui/lib/locale/lang/en'
diff --git a/dolphinscheduler-ui/src/js/conf/login/index.js b/dolphinscheduler-ui/src/js/conf/login/index.js
index 2f3aa04bbc..652c80f278 100644
--- a/dolphinscheduler-ui/src/js/conf/login/index.js
+++ b/dolphinscheduler-ui/src/js/conf/login/index.js
@@ -18,6 +18,7 @@
 // The Vue build version to load with the `import` command
 // (runtime-only or standalone) has been set in webpack.base.conf with an alias.
 // import $ from 'jquery'
+import 'babel-polyfill'
 import Vue from 'vue'
 import ElementUI from 'element-ui'
 import locale from 'element-ui/lib/locale/lang/en'
diff --git a/script/dolphinscheduler-daemon.sh b/script/dolphinscheduler-daemon.sh
index af2ac91570..5e7652199e 100644
--- a/script/dolphinscheduler-daemon.sh
+++ b/script/dolphinscheduler-daemon.sh
@@ -94,7 +94,7 @@ else
   exit 1
 fi
 
-export DOLPHINSCHEDULER_OPTS="-server -Xms$HEAP_INITIAL_SIZE -Xmx$HEAP_MAX_SIZE -Xmn$HEAP_NEW_GENERATION__SIZE -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m  -Xss512k -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 -XX:+PrintGCDetails -Xloggc:gc.log -XX:+HeapDumpOnOutOfMemoryError  -XX:HeapDumpPath=dump.hprof"
+export DOLPHINSCHEDULER_OPTS="-server -Xms$HEAP_INITIAL_SIZE -Xmx$HEAP_MAX_SIZE -Xmn$HEAP_NEW_GENERATION__SIZE -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m  -Xss512k -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 -XX:+PrintGCDetails -Xloggc:gc.log -XX:+HeapDumpOnOutOfMemoryError  -XX:HeapDumpPath=dump.hprof $DOLPHINSCHEDULER_OPTS"
 
 case $startStop in
   (start)