diff --git a/adapter/src/main/java/kale/adapter/CommonAdapter.java b/adapter/src/main/java/kale/adapter/CommonAdapter.java
index ae58f9d..edcb599 100644
--- a/adapter/src/main/java/kale/adapter/CommonAdapter.java
+++ b/adapter/src/main/java/kale/adapter/CommonAdapter.java
@@ -75,7 +75,7 @@ public void onItemRangeRemoved(ObservableList<T> sender, int positionStart, int
 
     @Override
     public int getCount() {
-        return mDataList.size();
+        return mDataList == null ? 0 : mDataList.size();
     }
 
     @Override
diff --git a/adapter/src/main/java/kale/adapter/CommonPagerAdapter.java b/adapter/src/main/java/kale/adapter/CommonPagerAdapter.java
index 35c7d81..74dffb3 100644
--- a/adapter/src/main/java/kale/adapter/CommonPagerAdapter.java
+++ b/adapter/src/main/java/kale/adapter/CommonPagerAdapter.java
@@ -71,7 +71,7 @@ public void onItemRangeRemoved(ObservableList<T> sender, int positionStart, int
 
     @Override
     public int getCount() {
-        return mDataList.size();
+        return mDataList == null ? 0 : mDataList.size();
     }
 
     @NonNull
diff --git a/adapter/src/main/java/kale/adapter/CommonRcvAdapter.java b/adapter/src/main/java/kale/adapter/CommonRcvAdapter.java
index 2d1dd4f..50e3b22 100644
--- a/adapter/src/main/java/kale/adapter/CommonRcvAdapter.java
+++ b/adapter/src/main/java/kale/adapter/CommonRcvAdapter.java
@@ -73,7 +73,7 @@ public void onItemRangeMoved(ObservableList<T> sender, int fromPosition, int toP
 
     @Override
     public int getItemCount() {
-        return mDataList.size();
+        return mDataList == null ? 0 : mDataList.size();
     }
 
     @Override