network devices list, strings cleanup

front/php/templates/language/zh_cn.json

@@ -494,6 +494,7 @@
     "Network_Cant_Assign_No_Node_Selected": "无法分配，未选择父节点。",
     "Network_Configuration_Error": "配置错误",
     "Network_Connected": "联网设备",
+    "Network_Devices": "",
     "Network_ManageAdd": "添加设备",
     "Network_ManageAdd_Name": "设备名称",
     "Network_ManageAdd_Name_text": "名称不包含特殊字符",
@@ -754,4 +755,4 @@
     "settings_system_label": "系统",
     "settings_update_item_warning": "更新下面的值。请注意遵循先前的格式。<b>未执行验证。</b>",
     "test_event_tooltip": "在测试设置之前，请先保存更改。"
-}
+}