diff --git a/src/eFmtFormat.erl b/src/eFmtFormat.erl
index d92aca1..8cb555d 100644
--- a/src/eFmtFormat.erl
+++ b/src/eFmtFormat.erl
@@ -72,13 +72,24 @@ scan(Format, Args) ->
          collect(Format, Args)
    end.
 
-doCollect(FmtBinStr, Args) ->
-   MatchList = binary:matches(FmtBinStr, <<"~">>),
-   doCollectList(MatchList, FmtBinStr, Args, 0, []).
-
-doCollectList([], _FmtBinStr, _Args, Index, Acc) ->
+doCollect(FmtBinStr, Args, Acc) ->
+   case binary:split(FmtBinStr, <<"~">>) of
+      [NotMatch] ->
+         [NotMatch | Acc];
+      [FPart, LPart] ->
+         doCollectList(LPart, Args, [FPart | Acc]).
+   end,
+
+%% 格式 ~F.P.PadModC
+doCollectList(<<>>, _Args, Acc) ->
    Acc;
-doCollectList([OneMatch | MatchList], FmtBinStr, Args, Index, Acc) ->
+doCollectList(LPart, Args, Acc) ->
+   %% 匹配宽度
+   case LPart of
+      <<"-", FBin/binary>> ->
+
+   end,
+
    ok.