New translations en.json (Chinese Simplified)

packages/excalidraw/locales/zh-CN.json

@@ -110,7 +110,7 @@
     "showStroke": "显示描边颜色选择器",
     "showBackground": "显示背景颜色选择器",
     "toggleTheme": "切换浅色/深色主题",
-    "theme": "",
+    "theme": "主题",
     "personalLib": "个人素材库",
     "excalidrawLib": "Excalidraw 素材库",
     "decreaseFontSize": "缩小字体大小",
@@ -181,7 +181,7 @@
     "fullScreen": "全屏",
     "darkMode": "深色模式",
     "lightMode": "浅色模式",
-    "systemMode": "",
+    "systemMode": "系统模式",
     "zenMode": "禅模式",
     "objectsSnapMode": "吸附至对象",
     "exitZenMode": "退出禅模式",