diff --git a/plugins/mongodb/index.py b/plugins/mongodb/index.py
index 71f28c186..1aecaabda 100755
--- a/plugins/mongodb/index.py
+++ b/plugins/mongodb/index.py
@@ -982,6 +982,18 @@ def replSetNode():
     nodes = c['nodes']
     add_node = args['node'].strip()
 
+    priority = -1
+    if 'priority' in  args:
+        priority = args['priority'].strip()
+    priority = int(priority)
+    if priority<0 or priority>100:
+        return mw.returnJson(False, 'priority应该在[0-100]之间!')
+
+    arbiterOnly = 0
+    if 'arbiterOnly' in  args:
+        priority = args['arbiterOnly'].strip()
+    arbiterOnly = int(arbiterOnly)
+
     is_have = False
     for x in nodes:
         if x['host'] == add_node:
@@ -992,6 +1004,9 @@ def replSetNode():
 
     t = {}
     t['host'] = add_node
+    t['priority'] = priority
+    t['arbiterOnly'] = arbiterOnly
+
     nodes.append(t)
     c['nodes'] = nodes
     setReplConfigData(c)
diff --git a/plugins/mongodb/js/mongodb.js b/plugins/mongodb/js/mongodb.js
index 63294f682..b5c3c227d 100644
--- a/plugins/mongodb/js/mongodb.js
+++ b/plugins/mongodb/js/mongodb.js
@@ -265,16 +265,34 @@ function mongoReplCfgNodes(){
         btn:["提交","关闭"],
         content: "<form class='bt-form pd20' id='mod_pwd'>\
                     <div class='line'>\
-                    <span class='tname'>节点服务</span>\
-                    <div class='info-r'>\
-                        <input class='bt-input-text mr5' type='text' name='node' style='width:330px' value='"+def_node+"'/>\
+	                    <span class='tname'>节点服务:</span>\
+	                    <div class='info-r'>\
+	                        <input class='bt-input-text mr5' type='text' name='node' style='width:330px' value='"+def_node+"'/>\
+	                    </div>\
                     </div>\
+                    <div class='line'>\
+	                    <span class='tname'>priority:</span>\
+	                    <div class='info-r'>\
+	                        <input class='bt-input-text mr5' type='number' name='priority' style='width:220px' value='0'/>\
+	                        <span class='c9'>值越大，优先权越高</span>\
+	                    </div>\
+                    </div>\
+                    <div class='line'>\
+	                    <span class='tname'>仲裁员:</span>\
+	                    <div class='info-r'>\
+	                        <select class='bt-input-text mr5' name='arbiterOnly'>\
+	                        	<option value='0'>否</option>\
+	                        	<option value='1'>是</option>\
+	                        </select>\
+	                    </div>\
                     </div>\
                 </form>",
         yes:function(index){
             // var data = $("#mod_pwd").serialize();
             var data = {};
             data['node'] = $('input[name=node]').val();
+            data['priority'] = $('input[name=priority]').val();
+            data['arbiterOnly'] = $('select[name=arbiterOnly]').val();
             mgPost('repl_set_node', '',data, function(data){
                 var rdata = $.parseJSON(data.data);
                 showMsg(rdata.msg,function(){