Clickhouse engine Kafka consumer cannot decode flowtpye normally

[Forward-Ky]

Using go client can decode normally：
{SFLOW_5 1612172554 50360667 15000 0 [10 16 2 1] 1612172554 1612172554 115 1 [10 1 1 1] [110 43 83 35] 2048 6 62306 443 56 1745 102106146323752 132052928835024 257 1712 4 0 0 64 0 127 24 8 0 681602 21969 16384 0
0 0 [] 0 0 0 false [] [] 0 0 0 0 0 0 0 false 0 0 0 0 0 0 0 0 0 false 0 {} [] 0}
Using Clickhouse Kafka:
The Tpye field is decoded to 0 (unknown flow)