English updates and a Chinese string fault (#163)

* Update English language files

- 修正：`backup_part_export_list_desc`的文字描述问题
- 修正：英文翻译问题

Co-authored-by: Madoka☆Magica! <adsh@pku.edu.cn>
Co-authored-by: lyswhut <lyswhut@qq.com>

src/renderer/lang/en/core/player.json

@@ -1,16 +1,16 @@
-{
-  "copy_title": " (Click copy)",
-  "volume": "Volume: ",
-  "pause": "Pause",
-  "play": "Play",
-  "next": "Next",
-  "playing": "Playing...",
-  "stop": "Stopped",
-  "end": "End",
-  "refresh_url": "URL expired, refreshing URL...",
-  "error": "Music loading error, switch to next song after 5 seconds",
-  "loading": "Loding...",
-  "buffering": "Buffering...",
-  "geting_url": "Getting link...",
-  "lyric_error": "Get lyric failed"
-}
+{
+  "copy_title": " (Click to copy)",
+  "volume": "Volume: ",
+  "pause": "Pause",
+  "play": "Play",
+  "next": "Next",
+  "playing": "Now playing...",
+  "stop": "Paused",
+  "end": "Stopped",
+  "refresh_url": "Music URL expired, refreshing...",
+  "error": "Error loading music. Switch to next song after 5 seconds",
+  "loading": "Music loading...",
+  "buffering": "Buffering...",
+  "geting_url": "Getting music link...",
+  "lyric_error": "Failed to get lyrics"
+}