fix:fixed a bug where the electronic ink screen might fail to enter sleep mode after the second refresh.

Author: xcjk-tofuture

Extensions/EPaper.cpp

@@ -242,8 +242,8 @@ void EPaper::wake()
         #ifdef USE_MUTIGRAY_EPAPER  
         EPD_WAKEUP_GRAY();
         #endif
+    }    
         _sleep = false;
-    }
 
 }