diff --git a/src/mapleall/maple_be/src/cg/aarch64/aarch64_cgfunc.cpp b/src/mapleall/maple_be/src/cg/aarch64/aarch64_cgfunc.cpp
index 8b2820a18794a833e1ecbc4aebcdb43f7e284b46..65fe75a098a8e0118eae0b732627a5faf102692c 100644
--- a/src/mapleall/maple_be/src/cg/aarch64/aarch64_cgfunc.cpp
+++ b/src/mapleall/maple_be/src/cg/aarch64/aarch64_cgfunc.cpp
@@ -5028,7 +5028,7 @@ void AArch64CGFunc::CreateCallStructParamPassByStack(int32 symSize, MIRSymbol *s
 }
 
 void AArch64CGFunc::CreateCallStructParamPassByReg(AArch64reg reg, MemOperand &memOpnd, AArch64ListOperand &srcOpnds) {
-  AArch64RegOperand parmOpnd = GetOrCreatePhysicalRegisterOperand(reg, k64BitSize, kRegTyInt);
+  AArch64RegOperand &parmOpnd = GetOrCreatePhysicalRegisterOperand(reg, k64BitSize, kRegTyInt);
   GetCurBB()->AppendInsn(cg->BuildInstruction<AArch64Insn>(PickLdInsn(k64BitSize, PTY_i64), parmOpnd, memOpnd));
   srcOpnds.PushOpnd(parmOpnd);
 }