diff --git a/ecmascript/compiler/codegen/maple/maple_be/src/cg/emit.cpp b/ecmascript/compiler/codegen/maple/maple_be/src/cg/emit.cpp
index b4c55015208eb2b316cb0d7a2cbec557dec6edbd..85f679e415fdb561f04c003974c7e59f5dfbe84f 100644
--- a/ecmascript/compiler/codegen/maple/maple_be/src/cg/emit.cpp
+++ b/ecmascript/compiler/codegen/maple/maple_be/src/cg/emit.cpp
@@ -365,7 +365,7 @@ void Emitter::EmitAsmLabel(const MIRSymbol &mirSymbol, AsmLabel label)
                 std::string align = std::to_string(
                     static_cast<int>(
                         log2(Globals::GetInstance()->GetBECommon()->GetTypeAlign(mirType->GetTypeIndex()))));
-            else {
+            } else {
                 std::string align =
                     std::to_string(Globals::GetInstance()->GetBECommon()->GetTypeAlign(mirType->GetTypeIndex()));
             }
@@ -2578,6 +2578,7 @@ void Emitter::EmitGlobalRootList(const MIRSymbol &mirSymbol)
                     CHECK_FATAL(symAddr != nullptr, "nullptr of symAddr");
                     MIRSymbol *symAddrSym =
                         GlobalTables::GetGsymTable().GetSymbolFromStidx(symAddr->GetSymbolIndex().Idx());
+                    CHECK_FATAL(symAddrSym != nullptr, "nullptr check");
                     const std::string &symAddrName = symAddrSym->GetName();
                     EmitAddressString(symAddrName + "\n");
                 } else {
diff --git a/ecmascript/compiler/jit_compilation_env.cpp b/ecmascript/compiler/jit_compilation_env.cpp
index 01e3be547199f9afba96dc504e861a638a96b704..cefb4f807aeca7cca2cfe879e04ca345b3e6fee4 100644
--- a/ecmascript/compiler/jit_compilation_env.cpp
+++ b/ecmascript/compiler/jit_compilation_env.cpp
@@ -37,6 +37,7 @@ JitCompilationEnv::JitCompilationEnv(EcmaVM *jitVm, EcmaVM *jsVm,
     pcStart_ = method->GetBytecodeArray();
     abcId_ = PGOProfiler::GetMethodAbcId(thread_, *jsFunction);
     if (method->GetFunctionKind() == FunctionKind::CLASS_CONSTRUCTOR) {
+        ASSERT(methodLiteral_ != nullptr);
         methodLiteral_->SetFunctionKind(FunctionKind::CLASS_CONSTRUCTOR);
     }
 }