diff --git a/gstreamer_player/src/com/hisharp/gstreamer_player/GstLibrary.kt b/gstreamer_player/src/com/hisharp/gstreamer_player/GstLibrary.kt
index a67e252..eb6cdfc 100644
--- a/gstreamer_player/src/com/hisharp/gstreamer_player/GstLibrary.kt
+++ b/gstreamer_player/src/com/hisharp/gstreamer_player/GstLibrary.kt
@@ -32,7 +32,7 @@ class GstLibrary(context: Context) : Closeable, SurfaceHolder.Callback {
     }
 
     fun pause() {
-        //if (!isInit) return
+        if (!isInit) return
         nativePause()
     }
 
@@ -46,6 +46,7 @@ class GstLibrary(context: Context) : Closeable, SurfaceHolder.Callback {
     }
 
     fun releaseSurface() {
+        if (!isInit) return
         isInit = false
         nativeSurfaceFinalize()
     }