diff --git a/types/data.go b/types/data.go
index 74f59ee..a38f29c 100644
--- a/types/data.go
+++ b/types/data.go
@@ -209,6 +209,12 @@ func (data Data) GetInt16(key string) (int16, error) {
 	return int16(value), nil
 }
 
+// MustGetInt16 強制取得16位元整數
+func (data Data) MustGetInt16(key string) uint16 {
+	value, _ := data.GetUint16(key)
+	return value
+}
+
 // GetUint16 取得16位元正整數
 func (data Data) GetUint16(key string) (uint16, error) {
 	value, err := data.GetInt64(key)