修了很多bug和增加功能，优化不少问题

Assets/Resources/song_songIndex/1002004_smile.asset

@@ -12,18 +12,18 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 02ad5b531cc1df24dacd3a175979618d, type: 3}
   m_Name: 1002004_smile
   m_EditorClassIdentifier: 
-  usernameID: 
+  usernameID: user_TestUser@FloatGaming
   songName: "\u30A2\u30C8\u30ED\u30DD\u30B9\u3068\u6700\u679C\u306E\u63A2\u6C42\u8005"
   songID: 1002004
   songLength_second: 160
   artistName: CK
-  painter: "\u6D6E\u52A8\u6E38\u620F"
-  level_creator: "\u6D6E\u52A8\u6E38\u620F"
-  belongsTo_whichDLC: "\u6D6E\u52A8\u6E38\u620F"
-  bpm: 0
+  painter: FloatGaming
+  level_creator: FloatGaming
+  belongsTo_whichDLC: "\u4E13\u5458\u8003\u6838\u8BA1\u5212#01"
+  bpm: 230
   songDuration: 160
-  game_enterTimes: 0
-  time_totalPlayingTime: 0
+  game_enterTimes: 2
+  time_totalPlayingTime: 195.22847
   illustration: {fileID: 21300000, guid: ecddf7950818f98408cd652e2c2e703f, type: 3}
   backgroudPIC: {fileID: 21300000, guid: aaf0b10d106e4bd4889cc1e7d2dc8075, type: 3}
   fullscreen_songPicture: {fileID: 21300000, guid: 5a1b664fd293ec943a5b8cffee700da1, type: 3}
@@ -97,16 +97,16 @@ MonoBehaviour:
     difficultyName: 
     chartFile: {fileID: 4900000, guid: dc27d9d67f3698646b7b7c3d926eea3c, type: 3}
     difficultyDescription: 
-    lastScoreForThisDifficulty: 0
-    chartPersonalRecordForThisDifficulty: 0
-    idolPersonalRecordForThisDifficulty: 0
-    totalPersonalRecordForThisDifficulty: 0
-    levelProgressForThisDifficulty: 0
+    lastScoreForThisDifficulty: 1262165
+    chartPersonalRecordForThisDifficulty: 1000000
+    idolPersonalRecordForThisDifficulty: 262165
+    totalPersonalRecordForThisDifficulty: 1262165
+    levelProgressForThisDifficulty: 0.93493706
     experienceProvidedForThisDifficulty: 0
-  personalRecord: 0
-  current_levelProgress: 0
+  personalRecord: 1262165
+  current_levelProgress: 0.93493706
   _if_level_is_EASE: 0
   max_comboRecord: 0
-  thisLevel_selectedDifficultyID: 0
+  thisLevel_selectedDifficultyID: 2
   thisLevel_addDateString: 
-  thisLevel_overallDescription: 
+  thisLevel_overallDescription: "\u201C\u53F2\u8BD7\u8FDC\u5F81\u201D\u8D5B\u4E8B\u7684\u5F00\u573A\u5E18\u5E55\u88AB\u7F13\u7F13\u62C9\u5F00\uFF0C\u5973\u5B69\u5750\u5728\u8282\u8282\u76F8\u6263\u7684\u9F7F\u8F6E\u8FB9\u4E0A\uFF0C\u800C\u5728\u5979\u7684\u773C\u4E0B\uFF0C\u4FBF\u662F\u65E9\u5DF2\u6253\u5F97\u70ED\u706B\u671D\u5929\u7684\u8D5B\u573A\u3002"