diff --git a/SwiftNotice.swift b/SwiftNotice.swift
index d9d856d..6490f4c 100644
--- a/SwiftNotice.swift
+++ b/SwiftNotice.swift
@@ -121,7 +121,7 @@ class SwiftNotice: NSObject {
         windows.append(window)
         
         if autoClear {
-            let selector = Selector("hideNotice:")
+            let selector = #selector(SwiftNotice.hideNotice(_:))
             self.performSelector(selector, withObject: window, afterDelay: NSTimeInterval(autoClearTime))
         }
     }
@@ -144,7 +144,7 @@ class SwiftNotice: NSObject {
                 dispatch_source_set_event_handler(timer, { () -> Void in
                     let name = imageNames[timerTimes % imageNames.count]
                     iv.image = name
-                    timerTimes++
+                    timerTimes += 1
                 })
                 dispatch_resume(timer)
             }
@@ -237,7 +237,7 @@ class SwiftNotice: NSObject {
         windows.append(window)
         
         if autoClear {
-            let selector = Selector("hideNotice:")
+            let selector = #selector(SwiftNotice.hideNotice(_:))
             self.performSelector(selector, withObject: window, afterDelay: NSTimeInterval(autoClearTime))
         }
     }