diff --git a/es2panda/compiler/core/compileQueue.h b/es2panda/compiler/core/compileQueue.h
index 17392fe4a0409a48bc24a12994872b7ce6320a29..fe1f0da29090b54ee92606849af43b87edb76d36 100644
--- a/es2panda/compiler/core/compileQueue.h
+++ b/es2panda/compiler/core/compileQueue.h
@@ -55,7 +55,7 @@ public:
     explicit CompileFunctionJob(CompilerContext *context) : context_(context) {};
     NO_COPY_SEMANTIC(CompileFunctionJob);
     NO_MOVE_SEMANTIC(CompileFunctionJob);
-    ~CompileFunctionJob() = default;
+    ~CompileFunctionJob() override = default;
 
     binder::FunctionScope *Scope() const
     {
@@ -79,7 +79,7 @@ public:
     explicit CompileModuleRecordJob(CompilerContext *context) : context_(context) {};
     NO_COPY_SEMANTIC(CompileModuleRecordJob);
     NO_MOVE_SEMANTIC(CompileModuleRecordJob);
-    ~CompileModuleRecordJob() = default;
+    ~CompileModuleRecordJob() override = default;
 
     void Run() override;
 
@@ -95,7 +95,7 @@ public:
         : src_(src), options_(options), progsInfo_(progsInfo), symbolTable_(symbolTable), allocator_(allocator) {};
     NO_COPY_SEMANTIC(CompileFileJob);
     NO_MOVE_SEMANTIC(CompileFileJob);
-    ~CompileFileJob() = default;
+    ~CompileFileJob() override = default;
 
     void Run() override;
 
@@ -140,7 +140,7 @@ public:
 
     NO_COPY_SEMANTIC(CompileFuncQueue);
     NO_MOVE_SEMANTIC(CompileFuncQueue);
-    ~CompileFuncQueue() = default;
+    ~CompileFuncQueue() override = default;
 
     void Schedule() override;
 
@@ -158,7 +158,7 @@ public:
 
     NO_COPY_SEMANTIC(CompileFileQueue);
     NO_MOVE_SEMANTIC(CompileFileQueue);
-    ~CompileFileQueue() = default;
+    ~CompileFileQueue() override = default;
 
     void Schedule() override;
 
diff --git a/es2panda/es2panda.h b/es2panda/es2panda.h
index c6144e2e6f206a8f12ef4ec9645837983010b2d5..9478bef35b46d061d4ebd384724734bc8c3ca86c 100644
--- a/es2panda/es2panda.h
+++ b/es2panda/es2panda.h
@@ -163,7 +163,7 @@ public:
 
     panda::pandasm::Program *Compile(const SourceFile &input, const CompilerOptions &options,
         util::SymbolTable *symbolTable = nullptr);
-    panda::pandasm::Program *CompileFile(CompilerOptions &options, SourceFile *src, util::SymbolTable *symbolTable_);
+    panda::pandasm::Program *CompileFile(CompilerOptions &options, SourceFile *src, util::SymbolTable *symbolTable);
 
     static int CompileFiles(CompilerOptions &options,
         std::map<std::string, panda::es2panda::util::ProgramCache*> *cacheProgs,
diff --git a/es2panda/parser/parserImpl.h b/es2panda/parser/parserImpl.h
index 974a6a0baae91075adc06a9ce7e142d033afa6d5..ff4a6e6653321ab3128c1ae9b90af73c58ce13dd 100644
--- a/es2panda/parser/parserImpl.h
+++ b/es2panda/parser/parserImpl.h
@@ -282,7 +282,7 @@ private:
     ir::Statement *ParseClassProperty(ClassElmentDescriptor *desc, const ArenaVector<ir::Statement *> &properties,
                                       ir::Expression *propName, ir::Expression *typeAnnotation,
                                       ArenaVector<ir::Decorator *> &&decorators, bool isDeclare);
-    void ParseClassKeyModifiers(ClassElmentDescriptor *descy);
+    void ParseClassKeyModifiers(ClassElmentDescriptor *desc);
     void CheckClassGeneratorMethod(ClassElmentDescriptor *desc);
     void CheckClassPrivateIdentifier(ClassElmentDescriptor *desc);
     ir::Expression *ParseClassKeyAnnotation();
diff --git a/es2panda/util/symbolTable.h b/es2panda/util/symbolTable.h
index 518a1c7142162fa99af0d6ad533ad0d1df10b6c9..863f71f1770f161023c86f5fa92d676a96dc047a 100644
--- a/es2panda/util/symbolTable.h
+++ b/es2panda/util/symbolTable.h
@@ -33,8 +33,8 @@ public:
         ArenaMap<std::string, std::pair<uint32_t, int>> lexenv;  // lexenv: <name, <slot, type>>
         ArenaMap<std::string, std::string> classHash;
 
-        OriginFunctionInfo(ArenaAllocator *allocator) : lexenv(allocator->Adapter()),
-                                                        classHash(allocator->Adapter()) {}
+        explicit OriginFunctionInfo(ArenaAllocator *allocator) : lexenv(allocator->Adapter()),
+                                                               classHash(allocator->Adapter()) {}
     };
 
     SymbolTable(const std::string &inputSymbolTable, const std::string &dumpSymbolTable)
diff --git a/ts2panda/ts2abc/main.cpp b/ts2panda/ts2abc/main.cpp
index c2840600589426893f349ab34431cb1ae148d18f..3968658c842e5f9ce7a9649115aaeaa08207a25e 100644
--- a/ts2panda/ts2abc/main.cpp
+++ b/ts2panda/ts2abc/main.cpp
@@ -20,33 +20,35 @@
 #include "ts2abc_options.h"
 #include "ts2abc.h"
 
-int Preprocess(const panda::ts2abc::Options &options, const panda::PandArgParser &argParser, std::string &output,
-    std::string &data, const std::string &usage)
-{
-    std::string input;
-    if (!options.GetCompileByPipeArg()) {
-        input = options.GetTailArg1();
-        output = options.GetTailArg2();
-        if (input.empty() || output.empty()) {
-            std::cerr << "Incorrect args number" << std::endl;
-            std::cerr << "Usage example: ts2abc test.json test.abc"<< std::endl;
-            std::cerr << usage << std::endl;
-            std::cerr << argParser.GetHelpString();
-            return panda::ts2abc::RETURN_FAILED;
-        }
+namespace {
+    int Preprocess(const panda::ts2abc::Options &options, const panda::PandArgParser &argParser, std::string &output,
+        std::string &data, const std::string &usage)
+    {
+        std::string input;
+        if (!options.GetCompileByPipeArg()) {
+            input = options.GetTailArg1();
+            output = options.GetTailArg2();
+            if (input.empty() || output.empty()) {
+                std::cerr << "Incorrect args number" << std::endl;
+                std::cerr << "Usage example: ts2abc test.json test.abc"<< std::endl;
+                std::cerr << usage << std::endl;
+                std::cerr << argParser.GetHelpString();
+                return panda::ts2abc::RETURN_FAILED;
+            }
 
-        if (!panda::ts2abc::HandleJsonFile(input, data)) {
-            return panda::ts2abc::RETURN_FAILED;
-        }
-    } else {
-        output = options.GetTailArg1();
-        if (output.empty()) {
-            std::cerr << usage << std::endl;
-            std::cerr << argParser.GetHelpString();
-            return panda::ts2abc::RETURN_FAILED;
+            if (!panda::ts2abc::HandleJsonFile(input, data)) {
+                return panda::ts2abc::RETURN_FAILED;
+            }
+        } else {
+            output = options.GetTailArg1();
+            if (output.empty()) {
+                std::cerr << usage << std::endl;
+                std::cerr << argParser.GetHelpString();
+                return panda::ts2abc::RETURN_FAILED;
+            }
         }
+        return panda::ts2abc::RETURN_SUCCESS;
     }
-    return panda::ts2abc::RETURN_SUCCESS;
 }
 
 int main(int argc, const char *argv[])