diff --git a/loadsir/src/main/java/com/kingja/loadsir/callback/Callback.java b/loadsir/src/main/java/com/kingja/loadsir/callback/Callback.java
index f049e13..9952ed4 100644
--- a/loadsir/src/main/java/com/kingja/loadsir/callback/Callback.java
+++ b/loadsir/src/main/java/com/kingja/loadsir/callback/Callback.java
@@ -17,8 +17,8 @@
  * Email:kingjavip@gmail.com
  */
 public abstract class Callback implements Serializable {
-    private View rootView;
-    private Context context;
+    private transient View rootView;
+    private transient Context context;
     private OnReloadListener onReloadListener;
     private boolean successViewVisible;
 
diff --git a/loadsir/src/main/java/com/kingja/loadsir/target/ViewTarget.java b/loadsir/src/main/java/com/kingja/loadsir/target/ViewTarget.java
index 8b8a6b0..395dbc0 100644
--- a/loadsir/src/main/java/com/kingja/loadsir/target/ViewTarget.java
+++ b/loadsir/src/main/java/com/kingja/loadsir/target/ViewTarget.java
@@ -27,14 +27,8 @@ public LoadLayout replaceView(Object target, Callback.OnReloadListener onReloadL
         View oldContent = (android.view.View) target;
         ViewGroup contentParent = (ViewGroup) (oldContent.getParent());
         int childIndex = 0;
-        int childCount = contentParent == null ? 0 : contentParent.getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            if (contentParent.getChildAt(i) == oldContent) {
-                childIndex = i;
-                break;
-            }
-        }
         if (contentParent != null) {
+            childIndex = contentParent.indexOfChild(oldContent);
             contentParent.removeView(oldContent);
         }
         ViewGroup.LayoutParams oldLayoutParams = oldContent.getLayoutParams();