v1.1.1运行mmo_game_client出现报错，求指教w

=====> Player pidId = 1 arrived ====
2023/05/29 22:53:22 [INFO]connection.go:133: [Reader Goroutine is running]
2023/05/29 22:53:25 [DEBUG]connection.go:192: read buffer 0a000000030000000d000027431d00000943
2023/05/29 22:55:43 [INFO]panic.go:890: 127.0.0.1:51599 [conn Reader exit!]
2023/05/29 22:55:45 [INFO]connmanager.go:41: connection Remove ConnID=0 successfully: conn num = 0
2023/05/29 22:55:45 [INFO]connection.go:428: Conn Stop()...ConnID = 0
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x0 pc=0xcd6480]

goroutine 34 [running]:
encoding/binary.Read({0xf5d4e8, 0xc000224b40}, {0x0, 0x0}, {0xed16a0, 0xc000204208})
C:/env/go1.20/go1.20.4/src/encoding/binary/binary.go:248 +0x740
github.com/aceld/zinx/zcode.(*EncoderData).getUnadjustedFrameLength(0xc000098080, 0xc000224b10, 0x4, 0x4, {0x0, 0x0})
C:/env/gopath/pkg/mod/github.com/aceld/zinx@v1.1.1/zcode/lengthfieldframedecoder.go:269 +0x3eb
github.com/aceld/zinx/zcode.(*EncoderData).decode(0xc000098080, {0xc000218048, 0x12, 0x18})
C:/env/gopath/pkg/mod/github.com/aceld/zinx@v1.1.1/zcode/lengthfieldframedecoder.go:354 +0x159
github.com/aceld/zinx/zcode.(*EncoderData).Decode(0xc000098080, {0xc000260000, 0x12, 0x400})
C:/env/gopath/pkg/mod/github.com/aceld/zinx@v1.1.1/zcode/lengthfieldframedecoder.go:408 +0x295
github.com/aceld/zinx/znet.(*Connection).StartReader(0xc0000d20d0)
C:/env/gopath/pkg/mod/github.com/aceld/zinx@v1.1.1/znet/connection.go:195 +0x655
created by github.com/aceld/zinx/znet.(*Connection).Start
C:/env/gopath/pkg/mod/github.com/aceld/zinx@v1.1.1/znet/connection.go:217 +0x13f

玩家可以上线，但是一移动就会出现报错，服务器就停了