Revert 152f863..f40d9f1

This rolls back to commit 152f86304cc2959156cee4b9d1769a8089b22aad.
This reverts commit 7dcbd3eeeb2d92a767083bc2628521fe70c1f7ee.

Conflicts:
	OsManager.java
Remove from current User in RCB failed
Remove外一切都好诶