diff --git a/models/formatter.go b/models/formatter.go
index 0744add..b49970d 100644
--- a/models/formatter.go
+++ b/models/formatter.go
@@ -144,6 +144,7 @@ type CallStat struct {
 	FirstLanguageId           int
 	LastLanguageId            int
 	FirstInterpreter          string
+	UtsStartTime              *time.Time
 }
 
 func (CallStat) TableName() string {