图鉴除0，临时处理

GameClient/Assets/Game/HotUpdate/Views/FieldGuide/FieldGuideView.cs

@@ -155,6 +155,7 @@ namespace GFGGame
                     totalCount = 1;
                     break;
             }
+            if (totalCount == 0) totalCount = 1;
         }
 
         private void UpdatePrgress()