diff --git a/include/ranks.hrl b/include/ranks.hrl
index 7ee74c8..2660ea0 100644
--- a/include/ranks.hrl
+++ b/include/ranks.hrl
@@ -12,7 +12,7 @@
 -define(publicInfoPos, #etsRankRecord.publicInfo).
 
 %% 三元表达式
--define(IIF(Cond, Ret1, Ret2), (case Cond of true -> Ret1; _ -> Ret2 end)).
+-define(CASE(Cond, Ret1, Ret2), (case Cond of true -> Ret1; _ -> Ret2 end)).
 
 -define(etsRankInfo, etsRankInfo).
 
diff --git a/src/rank/rankWork.erl b/src/rank/rankWork.erl
index a17bf43..74d149d 100644
--- a/src/rank/rankWork.erl
+++ b/src/rank/rankWork.erl
@@ -110,7 +110,7 @@ mGetRankInfo(RankType, MyKey, Cnt, Page, PageInfo) ->
             try ets:lookup_element(?etsRankInfo, MyKey, RankPos) of
                CurScore ->
                   MyIndex = ets:select_count(RankType, [{{'$1', '$2'}, [{'>=', '$1', {const, CurScore}}], [true]}]),
-                  ?IIF(MyIndex > RankLimit, -1, MyIndex)
+                  ?CASE(MyIndex > RankLimit, -1, MyIndex)
             catch _:_ ->
                -1
             end;