Merge 4_501 - 632, 5_1400-1656 from CrowsStriker/master

close #14

Author: ApolloZhu

.gitignore

@@ -1,6 +1,17 @@
 bilicookies
 .vscode
 
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+Desktop.ini
+
 # Xcode
 #
 # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore