diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/cast.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/cast.cc
index bb8f45591f4fe5a7aa48c75a21362b4c771800b2..18b490fd27d13d17002531910e21635e1b85c669 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/cast.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/cast.cc
@@ -146,6 +146,7 @@ kernel::LiteKernel *CpuCastFp32KernelCreator(const std::vector<lite::tensor::Ten
 }
 
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_Cast, CpuCastFp32KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeUInt8, PrimitiveType_Cast, CpuCastFp32KernelCreator)
 #ifndef ENABLE_ARM64
 REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Cast, CpuCastFp32KernelCreator)
 #endif