ERROR: Hi(23)out of bound(16) in range()@E Simulation failed: Function ‘main‘ returns nonzero value 一、错误信息ERROR: Hi(23)out of bound(16) in range()E Simulation failed: Function main returns nonzero value 3.ERROR: [SIM 211-100] csim_design failed: nonzero return value.二、检测代码位宽溢出错误。