diff --git a/src/vm/asmjit/vm_tgc5c.cpp b/src/vm/asmjit/vm_tgc5c.cpp
index 19e10a6..791941f 100644
--- a/src/vm/asmjit/vm_tgc5c.cpp
+++ b/src/vm/asmjit/vm_tgc5c.cpp
@@ -1421,23 +1421,21 @@ private:
         }
         else{
             if(rd!=0){
-                {
-                auto label_then = cc.newLabel();
-                auto label_merge = cc.newLabel();
-                auto tmp_reg = get_reg_for(cc, 1);
+                auto label_then11 = cc.newLabel();
+                auto label_merge11 = cc.newLabel();
+                auto tmp_reg11 = get_reg(cc, 8, false);
                 cmp(cc, gen_ext(cc, 
                     load_reg_from_mem(jh, traits::X0 + rs1), 32, true), (int16_t)sext<12>(imm));
-                cc.jl(label_then);
-                mov(cc, tmp_reg,0);
-                cc.jmp(label_merge);
-                cc.bind(label_then);
-                mov(cc, tmp_reg,1);
-                cc.bind(label_merge);
+                cc.jl(label_then11);
+                mov(cc, tmp_reg11,0);
+                cc.jmp(label_merge11);
+                cc.bind(label_then11);
+                mov(cc, tmp_reg11, 1);
+                cc.bind(label_merge11);
                 mov(cc, get_ptr_for(jh, traits::X0+ rd),
-                      gen_ext(cc, tmp_reg
+                      gen_ext(cc, tmp_reg11
                       , 32, false)
                 );
-                }
             }
         }
         auto returnValue = CONT;
@@ -1484,22 +1482,20 @@ private:
         }
         else{
             if(rd!=0){
-                {
-                auto label_then = cc.newLabel();
-                auto label_merge = cc.newLabel();
-                auto tmp_reg = get_reg_for(cc, 1);
+                auto label_then12 = cc.newLabel();
+                auto label_merge12 = cc.newLabel();
+                auto tmp_reg12 = get_reg(cc, 8, false);
                 cmp(cc, load_reg_from_mem(jh, traits::X0 + rs1), (uint32_t)((int16_t)sext<12>(imm)));
-                cc.jb(label_then);
-                mov(cc, tmp_reg,0);
-                cc.jmp(label_merge);
-                cc.bind(label_then);
-                mov(cc, tmp_reg,1);
-                cc.bind(label_merge);
+                cc.jb(label_then12);
+                mov(cc, tmp_reg12,0);
+                cc.jmp(label_merge12);
+                cc.bind(label_then12);
+                mov(cc, tmp_reg12, 1);
+                cc.bind(label_merge12);
                 mov(cc, get_ptr_for(jh, traits::X0+ rd),
-                      gen_ext(cc, tmp_reg
+                      gen_ext(cc, tmp_reg12
                       , 32, false)
                 );
-                }
             }
         }
         auto returnValue = CONT;
@@ -1992,24 +1988,22 @@ private:
         }
         else{
             if(rd!=0){
-                {
-                auto label_then = cc.newLabel();
-                auto label_merge = cc.newLabel();
-                auto tmp_reg = get_reg_for(cc, 1);
+                auto label_then13 = cc.newLabel();
+                auto label_merge13 = cc.newLabel();
+                auto tmp_reg13 = get_reg(cc, 8, false);
                 cmp(cc, gen_ext(cc, 
                     load_reg_from_mem(jh, traits::X0 + rs1), 32, true), gen_ext(cc, 
                     load_reg_from_mem(jh, traits::X0 + rs2), 32, true));
-                cc.jl(label_then);
-                mov(cc, tmp_reg,0);
-                cc.jmp(label_merge);
-                cc.bind(label_then);
-                mov(cc, tmp_reg,1);
-                cc.bind(label_merge);
+                cc.jl(label_then13);
+                mov(cc, tmp_reg13,0);
+                cc.jmp(label_merge13);
+                cc.bind(label_then13);
+                mov(cc, tmp_reg13, 1);
+                cc.bind(label_merge13);
                 mov(cc, get_ptr_for(jh, traits::X0+ rd),
-                      gen_ext(cc, tmp_reg
+                      gen_ext(cc, tmp_reg13
                       , 32, false)
                 );
-                }
             }
         }
         auto returnValue = CONT;
@@ -2056,22 +2050,20 @@ private:
         }
         else{
             if(rd!=0){
-                {
-                auto label_then = cc.newLabel();
-                auto label_merge = cc.newLabel();
-                auto tmp_reg = get_reg_for(cc, 1);
+                auto label_then14 = cc.newLabel();
+                auto label_merge14 = cc.newLabel();
+                auto tmp_reg14 = get_reg(cc, 8, false);
                 cmp(cc, load_reg_from_mem(jh, traits::X0 + rs1), load_reg_from_mem(jh, traits::X0 + rs2));
-                cc.jb(label_then);
-                mov(cc, tmp_reg,0);
-                cc.jmp(label_merge);
-                cc.bind(label_then);
-                mov(cc, tmp_reg,1);
-                cc.bind(label_merge);
+                cc.jb(label_then14);
+                mov(cc, tmp_reg14,0);
+                cc.jmp(label_merge14);
+                cc.bind(label_then14);
+                mov(cc, tmp_reg14, 1);
+                cc.bind(label_merge14);
                 mov(cc, get_ptr_for(jh, traits::X0+ rd),
-                      gen_ext(cc, tmp_reg
+                      gen_ext(cc, tmp_reg14
                       , 32, false)
                 );
-                }
             }
         }
         auto returnValue = CONT;
@@ -2511,10 +2503,10 @@ private:
         gen_instr_prologue(jh);
         cc.comment("//behavior:");
         /*generate behavior*/
-        InvokeNode* call_wait;
+        InvokeNode* call_wait_15;
         jh.cc.comment("//call_wait");
-        jh.cc.invoke(&call_wait, &wait, FuncSignature::build<void, int32_t>());
-        setArg(call_wait, 0, 1);
+        jh.cc.invoke(&call_wait_15, &wait, FuncSignature::build<void, int32_t>());
+        setArg(call_wait_15, 0, 1);
         auto returnValue = CONT;
         
         gen_sync(jh, POST_SYNC, 41);
@@ -4875,6 +4867,7 @@ inline void vm_impl<ARCH>::gen_raise(jit_holder& jh, uint16_t trap_id, uint16_t
     auto tmp1 = get_reg_for(cc, traits::TRAP_STATE);
     mov(cc, tmp1, 0x80ULL << 24 | (cause << 16) | trap_id);
     mov(cc, get_ptr_for(jh, traits::TRAP_STATE), tmp1);
+    cc.jmp(jh.trap_entry);
 }
 template <typename ARCH>
 template <typename T, typename>
diff --git a/src/vm/llvm/vm_tgc5c.cpp b/src/vm/llvm/vm_tgc5c.cpp
index 9970704..870c498 100644
--- a/src/vm/llvm/vm_tgc5c.cpp
+++ b/src/vm/llvm/vm_tgc5c.cpp
@@ -1490,7 +1490,7 @@ private:
                 ),
                 this->gen_const(8,1),
                 this->gen_const(8,0),
-                1), 32),
+                8), 32),
                 get_reg_ptr(rd + traits::X0), false);
             }
         }
@@ -1543,7 +1543,7 @@ private:
                 ),
                 this->gen_const(8,1),
                 this->gen_const(8,0),
-                1), 32),
+                8), 32),
                 get_reg_ptr(rd + traits::X0), false);
             }
         }
@@ -2057,7 +2057,7 @@ private:
                 ,
                 this->gen_const(8,1),
                 this->gen_const(8,0),
-                1), 32),
+                8), 32),
                 get_reg_ptr(rd + traits::X0), false);
             }
         }
@@ -2110,7 +2110,7 @@ private:
                 ,
                 this->gen_const(8,1),
                 this->gen_const(8,0),
-                1), 32),
+                8), 32),
                 get_reg_ptr(rd + traits::X0), false);
             }
         }
@@ -2553,10 +2553,10 @@ private:
         
         this->gen_instr_prologue();
         /*generate behavior*/
-        std::vector<Value*> wait_args{
+        std::vector<Value*> wait_231_args{
             this->gen_ext(this->gen_const(8,1), 32)
         };
-        this->builder.CreateCall(this->mod->getFunction("wait"), wait_args);
+        this->builder.CreateCall(this->mod->getFunction("wait"), wait_231_args);
         bb = BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk);
         auto returnValue = std::make_tuple(CONT,bb);
         
@@ -4897,7 +4897,7 @@ private:
             };
             this->builder.CreateCall(this->mod->getFunction("print_disass"), args);
         }
-		this->gen_sync(iss::PRE_SYNC, instr_descr.size());
+        this->gen_sync(iss::PRE_SYNC, instr_descr.size());
         this->builder.CreateStore(this->builder.CreateLoad(this->get_typeptr(traits::NEXT_PC), get_reg_ptr(traits::NEXT_PC), true),
                                    get_reg_ptr(traits::PC), true);
         this->builder.CreateStore(
@@ -4972,6 +4972,7 @@ template <typename ARCH>
 void vm_impl<ARCH>::gen_raise_trap(uint16_t trap_id, uint16_t cause) {
     auto *TRAP_val = this->gen_const(32, 0x80 << 24 | (cause << 16) | trap_id);
     this->builder.CreateStore(TRAP_val, get_reg_ptr(traits::TRAP_STATE), true);
+    this->builder.CreateBr(this->trap_blk);
 }
 
 template <typename ARCH>
@@ -5074,4 +5075,4 @@ volatile std::array<bool, 2> dummy = {
 };
 }
 }
-// clang-format on
\ No newline at end of file
+// clang-format on
diff --git a/src/vm/tcc/vm_tgc5c.cpp b/src/vm/tcc/vm_tgc5c.cpp
index 71778f6..5306c39 100644
--- a/src/vm/tcc/vm_tgc5c.cpp
+++ b/src/vm/tcc/vm_tgc5c.cpp
@@ -474,15 +474,19 @@ private:
         	tu.open_if(tu.urem(
         	   new_pc,
         	   tu.constant(static_cast<uint32_t>(traits:: INSTR_ALIGNMENT),32)));
+        	{
         	this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
+        	}
         	tu.open_else();
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.constant((uint32_t)(PC+4),32));
         	}
         	auto PC_val_v = tu.assignment("PC_val", new_pc,32);
         	tu.store(traits::NEXT_PC, PC_val_v);
         	tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(UNKNOWN_JUMP), 2));
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -521,6 +525,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_EQ,
         	   tu.load(rs1 + traits::X0, 0),
         	   tu.load(rs2 + traits::X0, 0)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -530,6 +535,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -568,6 +574,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
         	   tu.load(rs1 + traits::X0, 0),
         	   tu.load(rs2 + traits::X0, 0)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -577,6 +584,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -615,6 +623,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_SLT,
         	   tu.ext(tu.load(rs1 + traits::X0, 0),32,true),
         	   tu.ext(tu.load(rs2 + traits::X0, 0),32,true)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -624,6 +633,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -662,6 +672,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_SGE,
         	   tu.ext(tu.load(rs1 + traits::X0, 0),32,true),
         	   tu.ext(tu.load(rs2 + traits::X0, 0),32,true)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -671,6 +682,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -709,6 +721,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_ULT,
         	   tu.load(rs1 + traits::X0, 0),
         	   tu.load(rs2 + traits::X0, 0)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -718,6 +731,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -756,6 +770,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_UGE,
         	   tu.load(rs1 + traits::X0, 0),
         	   tu.load(rs2 + traits::X0, 0)));
+        	{
         	auto new_pc = (uint32_t)(PC+(int16_t)sext<13>(imm));
         	if(new_pc%static_cast<uint32_t>(traits:: INSTR_ALIGNMENT)){ this->gen_set_tval(tu, new_pc);
         	this->gen_raise_trap(tu, 0, 0);
@@ -765,6 +780,7 @@ private:
         		tu.store(traits::NEXT_PC, PC_val_v);
         		tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(BRANCH);
@@ -2417,6 +2433,7 @@ private:
         	if(rd!=0){ tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
         	   divisor,
         	   tu.constant(0,8)));
+        	{
         	auto MMIN = ((uint32_t)1)<<(static_cast<uint32_t>(traits:: XLEN)-1);
         	tu.open_if(tu.logical_and(
         	   tu.icmp(ICmpInst::ICMP_EQ,
@@ -2425,14 +2442,21 @@ private:
         	   tu.icmp(ICmpInst::ICMP_EQ,
         	      divisor,
         	      tu.constant(- 1,8))));
+        	{
         	tu.store(rd + traits::X0, tu.constant(MMIN,32));
+        	}
         	tu.open_else();
+        	{
         	tu.store(rd + traits::X0, tu.ext((tu.sdiv(
         	   dividend,
         	   divisor)),32,false));
+        	}
         	tu.close_scope();
+        	}
         	tu.open_else();
+        	{
         	tu.store(rd + traits::X0, tu.constant((uint32_t)- 1,32));
+        	}
         	tu.close_scope();
         	}
         }
@@ -2471,15 +2495,19 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
         	   tu.load(rs2 + traits::X0, 0),
         	   tu.constant(0,8)));
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.udiv(
         	       tu.load(rs1 + traits::X0, 0),
         	       tu.load(rs2 + traits::X0, 0)));
         	}
+        	}
         	tu.open_else();
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.constant((uint32_t)- 1,32));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(CONT);
@@ -2517,6 +2545,7 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
         	   tu.load(rs2 + traits::X0, 0),
         	   tu.constant(0,8)));
+        	{
         	auto MMIN = (uint32_t)1<<(static_cast<uint32_t>(traits:: XLEN)-1);
         	tu.open_if(tu.logical_and(
         	   tu.icmp(ICmpInst::ICMP_EQ,
@@ -2525,20 +2554,27 @@ private:
         	   tu.icmp(ICmpInst::ICMP_EQ,
         	      tu.ext(tu.load(rs2 + traits::X0, 0),32,true),
         	      tu.constant(- 1,8))));
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.constant(0,8));
         	}
+        	}
         	tu.open_else();
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.ext((tu.srem(
         	       tu.ext(tu.load(rs1 + traits::X0, 0),32,true),
         	       tu.ext(tu.load(rs2 + traits::X0, 0),32,true))),32,false));
         	}
+        	}
         	tu.close_scope();
+        	}
         	tu.open_else();
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.load(rs1 + traits::X0, 0));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(CONT);
@@ -2576,15 +2612,19 @@ private:
         	tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
         	   tu.load(rs2 + traits::X0, 0),
         	   tu.constant(0,8)));
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.urem(
         	       tu.load(rs1 + traits::X0, 0),
         	       tu.load(rs2 + traits::X0, 0)));
         	}
+        	}
         	tu.open_else();
+        	{
         	if(rd!=0) {
         	    tu.store(rd + traits::X0, tu.load(rs1 + traits::X0, 0));
         	}
+        	}
         	tu.close_scope();
         }
         auto returnValue = std::make_tuple(CONT);
@@ -3185,9 +3225,11 @@ private:
         tu.open_if(tu.icmp(ICmpInst::ICMP_EQ,
            tu.load(rs1+8 + traits::X0, 0),
            tu.constant(0,8)));
+        {
         auto PC_val_v = tu.assignment("PC_val", (uint32_t)(PC+(int16_t)sext<9>(imm)),32);
         tu.store(traits::NEXT_PC, PC_val_v);
         tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
+        }
         tu.close_scope();
         auto returnValue = std::make_tuple(BRANCH);
         
@@ -3220,9 +3262,11 @@ private:
         tu.open_if(tu.icmp(ICmpInst::ICMP_NE,
            tu.load(rs1+8 + traits::X0, 0),
            tu.constant(0,8)));
+        {
         auto PC_val_v = tu.assignment("PC_val", (uint32_t)(PC+(int16_t)sext<9>(imm)),32);
         tu.store(traits::NEXT_PC, PC_val_v);
         tu.store(traits::LAST_BRANCH, tu.constant(static_cast<int>(KNOWN_JUMP), 2));
+        }
         tu.close_scope();
         auto returnValue = std::make_tuple(BRANCH);