diff --git a/excel/meter_reading.go b/excel/meter_reading.go
index 678e6df..8815b49 100644
--- a/excel/meter_reading.go
+++ b/excel/meter_reading.go
@@ -9,7 +9,7 @@ var meterReadingsRecognizers = []*ColumnRecognizer{
 	{Pattern: [][]string{{"表", "表计"}, {"编号"}}, Tag: "code", MatchIndex: -1, MustFill: true},
 	{Pattern: [][]string{{"抄表", "结束"}, {"时间", "日期"}}, Tag: "readAt", MatchIndex: -1, MustFill: true},
 	{Pattern: [][]string{{"用电", "有功", "表底", "底数"}, {"总", "量"}}, Tag: "overall", MatchIndex: -1, MustFill: true},
-	{Pattern: [][]string{{"有功", "表底", "底数"}, {"尖", "尖锋"}}, Tag: "critical", MatchIndex: -1},
+	{Pattern: [][]string{{"有功", "表底", "底数"}, {"尖"}}, Tag: "critical", MatchIndex: -1},
 	{Pattern: [][]string{{"有功", "表底", "底数"}, {"峰"}}, Tag: "peak", MatchIndex: -1},
 	{Pattern: [][]string{{"有功", "表底", "底数"}, {"谷"}}, Tag: "valley", MatchIndex: -1},
 }