Translation update

gui/lang/lang-zh-CN.json

@@ -8,7 +8,7 @@
     "Allow Anonymous Usage Reporting?": "允许匿名使用报告?",
     "Anonymous Usage Reporting": "匿名使用报告",
     "Any devices configured on an introducer device will be added to this device as well.": "在介绍人设备上被添加的其它设备，也将会被添加到本机。",
-    "Automatic upgrades": "Automatic upgrades",
+    "Automatic upgrades": "自动升级",
     "Bugs": "Bug汇报",
     "CPU Utilization": "CPU使用率",
     "Close": "关闭",
@@ -121,7 +121,7 @@
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "历史版本保留的最长天数，0为永久保存",
     "The number of old versions to keep, per file.": "每个文件保留的版本数量上限。",
     "The number of versions must be a number and cannot be blank.": "保留版本数量必须为数字，且不能为空。",
-    "The rescan interval must be a non-negative number of seconds.": "The rescan interval must be a non-negative number of seconds.",
+    "The rescan interval must be a non-negative number of seconds.": "扫描间隔单位为秒，且不能为负数。",
     "The rescan interval must be at least 5 seconds.": "扫描间隔必须至少为5秒。",
     "Unknown": "未知",
     "Up to Date": "同步完成",