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IIS3DWB acceleration sensor data is strange

YRu.1
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0693W00000NpLHlQAN.pngy-axis

0693W00000NpLMbQAN.pngz-axis

I am using IIS3DWB to collect the vibration data. When the chip is stationary, the z-axis should be affected by gravity and output 1g, but. But the actual data is that 1g data will often appear on the y-axis data, and the z-axis will become 0.

I am using 26.67kHz ODR, and +-16g range. Setting reg 0x12 to 0x44; reg 0x19 to 0x20, reg 0x10 to A4, others are default.The SPI clk frequency has been set to 25M, 12.5M and 6.125M. This situation occurs in all these cases.

I don't know why this happened, and also don`t know how to deal with it.

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