diff --git a/src/mapleall/maple_ir/src/mir_lower.cpp b/src/mapleall/maple_ir/src/mir_lower.cpp
index 161c6039c285460e73287026bd6cc929ca659b9a..48586019e6ccfd194e14147907fd5895d32d434b 100644
--- a/src/mapleall/maple_ir/src/mir_lower.cpp
+++ b/src/mapleall/maple_ir/src/mir_lower.cpp
@@ -480,12 +480,12 @@ BaseNode* MIRLower::LowerEmbeddedCandCior(BaseNode *x, StmtNode *curstmt, BlockN
     MIRBuilder *builder = mirModule.GetMIRBuilder();
     BinaryNode *bnode = static_cast<BinaryNode *>(x);
     bnode->SetOpnd(LowerEmbeddedCandCior(bnode->Opnd(0), curstmt, blk), 0);
-    PregIdx pregIdx = mirFunc->GetPregTab()->CreatePreg(PTY_u8);
-    RegassignNode *regass = builder->CreateStmtRegassign(PTY_u8, pregIdx, bnode->Opnd(0));
+    PregIdx pregIdx = mirFunc->GetPregTab()->CreatePreg(x->GetPrimType());
+    RegassignNode *regass = builder->CreateStmtRegassign(x->GetPrimType(), pregIdx, bnode->Opnd(0));
     blk->InsertBefore(curstmt, regass);
     LabelIdx labIdx = mirFunc->GetLabelTab()->CreateLabel();
     (void)mirFunc->GetLabelTab()->AddToStringLabelMap(labIdx);
-    BaseNode *cond = builder->CreateExprRegread(PTY_u8, pregIdx);
+    BaseNode *cond = builder->CreateExprRegread(x->GetPrimType(), pregIdx);
     CondGotoNode *cgoto = mirFunc->GetCodeMempool()->New<CondGotoNode>(
         x->GetOpCode() == OP_cior ? OP_brtrue : OP_brfalse);
     cgoto->SetOpnd(cond, 0);
@@ -493,12 +493,12 @@ BaseNode* MIRLower::LowerEmbeddedCandCior(BaseNode *x, StmtNode *curstmt, BlockN
     blk->InsertBefore(curstmt, cgoto);
 
     bnode->SetOpnd(LowerEmbeddedCandCior(bnode->Opnd(1), curstmt, blk), 1);
-    regass = builder->CreateStmtRegassign(PTY_u8, pregIdx, bnode->Opnd(1));
+    regass = builder->CreateStmtRegassign(x->GetPrimType(), pregIdx, bnode->Opnd(1));
     blk->InsertBefore(curstmt, regass);
     LabelNode *lbl = mirFunc->GetCodeMempool()->New<LabelNode>();
     lbl->SetLabelIdx(labIdx);
     blk->InsertBefore(curstmt, lbl);
-    return builder->CreateExprRegread(PTY_u8, pregIdx);
+    return builder->CreateExprRegread(x->GetPrimType(), pregIdx);
   } else {
     for (size_t i = 0; i < x->GetNumOpnds(); i++) {
       x->SetOpnd(LowerEmbeddedCandCior(x->Opnd(i), curstmt, blk), i);