修复状态问题：导致无法监听异常

Author: VeiZhang

AndroidExecLibrary/src/main/java/com/excellence/exec/CommandTask.java

@@ -200,7 +200,7 @@ private void restartTimer() {
             @Override
             public void accept(Long aLong) throws Exception {
                 mIListener.onError(new Throwable("Time out : " + mCmd));
-                discard();
+                interrupt();
             }
         });
     }
@@ -226,6 +226,11 @@ private void remove() {
         mManager.remove(this);
     }
 
+    private void interrupt() {
+        killProcess();
+        remove();
+    }
+
     public void discard() {
         mStatus = STATUS_INTERRUPT;
         killProcess();