fixbug CymChad#1564

Author: ChadCym

library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java

@@ -1716,7 +1716,8 @@ public int expandAll(int position, boolean init) {
     }
 
     public void expandAll() {
-        for (int i = mData.size() - 1; i >= getHeaderLayoutCount(); i--) {
+
+        for (int i = mData.size() - 1 + getHeaderLayoutCount(); i >= getHeaderLayoutCount(); i--) {
             expandAll(i, false, false);
         }
     }