LimeSuite.dll error IQ data

I use LimeSuite.dll(32bit) in Labview to get IQ data as follows. But wrong IQ data were got. Somebody know why. Which function I used was wrong?

LMS_GetDeviceList
out: LimeSDR Mini, media=USB 2, module = FT601, serial = 1D4C47D94E62E1, index = 0
return: 1

LMS_Open
out1: 0
out2: 410873352(device)

LMS_Init
in: 410873352
return: 0

LMS_EnableChannel
in1: 410873352
in2: 0(LMS_CH_RX)
in3: 0(CH0)
in4: 1(Enabled)
return: 0

LMS_SetLOFrequency
in1: 410873352
in2: 0(LMS_CH_RX)
in3: 0(CH0)
in4: 600000000(frequency)
return: 0

LMS_SetSampleRate
in1: 410873352
in2: 8000000(rate)
in3: 2(oversample)
return: 0

LMS_SetupStream
in1: 410873352
in2: 0(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
out: 207839816(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384
512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
return: 0

LMS_StartStream
in : 207839816(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
out: 207839816(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384
512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
return: 0

LMS_RecvStream
in1: 207839816(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
in2: 16384(sample_count)
in3: 0(timestamp)
0(waitForTimestamp)
0(flushPartialPacket)
in3: 1000(timeout_ms)
out1: 207839816(handle)
0(isTx)
0(channel)
8388608(fifoSize 16384
512)
1(throughputVsLatency)
2(dataFmt,LMS_FMT_I12)
out2: 256,256,320,384…
return: 0