Update zh-cn.js

Author: boltomli

lib/locales/zh-cn.js

@@ -40,7 +40,7 @@ module.exports = {
         'Reset views': '重置视图',                                                             // components/modebar/buttons.js:529
         'Show closest data on hover': '悬停时显示最近的数据',                                  // components/modebar/buttons.js:157
         'Snapshot succeeded': '生成快照成功',                                                  // components/modebar/buttons.js:66
-        'Sorry, there was a problem downloading your snapshot!': '抱歉，下载快照出现问题！'
+        'Sorry, there was a problem downloading your snapshot!': '抱歉，下载快照出现问题！',   // components/modebar/buttons.js:69
         'Taking snapshot - this may take a few seconds': '正在生成快照 - 可能需要几秒钟',      // components/modebar/buttons.js:57
         'Zoom': '缩放',                                                                        // components/modebar/buttons.js:85
         'Zoom in': '放大',                                                                     // components/modebar/buttons.js:121