fixed bug UI-312 and UI-313

modules/mogo-module-tanlu/src/main/java/com/mogo/module/tanlu/fragment/TanluCardViewFragment.java

@@ -1320,6 +1320,15 @@ import static com.mogo.module.tanlu.video.VideoInitKt.initVideo;
      * 将探路的数据结构转换成 MarkerExploreWay的列表
      */
     private void convertData(List<Information> informations) {
+
+        if (informations.size() == 1) {
+            mPreviousTv.setVisibility(View.GONE);
+            mNextTv.setVisibility(View.GONE);
+        } else {
+            mPreviousTv.setVisibility(View.VISIBLE);
+            mNextTv.setVisibility(View.VISIBLE);
+        }
+
         for (int i = 0; i < informations.size(); i++) {
             MarkerExploreWay markerExploreWay = new MarkerExploreWay();
             markerExploreWay.setAddr(informations.get(i).addr);