add 修改个小Bug

Components/newscontent/src/main/java/com/yidian/shenghuoquan/newscontent/widget/CommonTopBarView.kt

@@ -71,6 +71,7 @@ class CommonTopBarView @JvmOverloads constructor(
   override fun onClick(v: View?) {
     if (v?.id == R.id.iv_back) {
       // 若没有设置返回点击回调则默认pop
+      backCallback?.onDoBack() ?: XPageManager.pop(null)
     } else if (v?.id == R.id.tv_action) {
       actionCallback?.onDoAction()
     }