Apply suggestions from code review

Co-Authored-By: Byron Zhu <byronz@users.noreply.github.com>

Author: boltomli

lib/locales/zh-cn.js

@@ -45,7 +45,7 @@ module.exports = {
         'Zoom': '缩放',                                                                        // components/modebar/buttons.js:85
         'Zoom in': '放大',                                                                     // components/modebar/buttons.js:121
         'Zoom out': '缩小',                                                                    // components/modebar/buttons.js:130
-        'close:': '关:',                                                                       // traces/ohlc/transform.js:139
+        'close:': '关闭:',  
         'trace': '踪迹:',                                                                      // plots/plots.js:439
         'lat:': '纬度:',                                                                       // traces/scattergeo/calc.js:48
         'lon:': '经度:',                                                                       // traces/scattergeo/calc.js:49
@@ -62,7 +62,7 @@ module.exports = {
         'min:': '最小值:',                
         'Turntable rotation': '旋转转盘:', 
         'Toggle Spike Lines': '切换显示数据点辅助线(Spike Lines)',   
-        'open:': '开:',                                                                        // traces/ohlc/transform.js:136
+        'open:': '打开:',     
         'high:': '高:',                                                                        // traces/ohlc/transform.js:137
         'low:': '低:',                                                                         // traces/ohlc/transform.js:138
         'Toggle show closest data on hover': '切换悬停时显示最近的数据点',