diff --git a/aot/options.cpp b/aot/options.cpp
index 053713541f2bd471ef83574558beb549c8a6fb16..d202f240eb443045e8b784a38d22abdbe70054f3 100644
--- a/aot/options.cpp
+++ b/aot/options.cpp
@@ -120,12 +120,10 @@ bool Options::Parse(int argc, const char **argv)
     ss << inputStream.rdbuf();
     parserInput_ = ss.str();
 
-    sourceFile_ = BaseName(sourceFile_);
-
     if (!outputFile.GetValue().empty()) {
         compilerOutput_ = outputFile.GetValue();
     } else {
-        compilerOutput_ = RemoveExtension(sourceFile_).append(".abc");
+        compilerOutput_ = RemoveExtension(BaseName(sourceFile_)).append(".abc");
     }
 
     if (!logLevel.GetValue().empty()) {
diff --git a/compiler/core/emitter.cpp b/compiler/core/emitter.cpp
index d854586e297d8e57593853f89ed0292b1d04df32..bbb367d6d771f17f6448ae752dffe096b8b6b3f7 100644
--- a/compiler/core/emitter.cpp
+++ b/compiler/core/emitter.cpp
@@ -168,6 +168,10 @@ static size_t GetIRNodeWholeLength(const IRNode *node)
 
 static std::string WholeLine(const util::StringView &source, lexer::SourceRange range)
 {
+    if (source.Empty()) {
+        return {};
+    }
+    ASSERT(range.end.index <= source.Length());
     return source.Substr(range.start.index, range.end.index).EscapeSymbol<util::StringView::Mutf8Encode>();
 }
 
diff --git a/compiler/core/regScope.cpp b/compiler/core/regScope.cpp
index 7fe199097ab15f522dc8dd7d5b24edfcbc335717..55e607f353de1bc6c3f8f0bbc8206bd22069208c 100644
--- a/compiler/core/regScope.cpp
+++ b/compiler/core/regScope.cpp
@@ -59,7 +59,7 @@ LocalRegScope::LocalRegScope(CodeGen *cg, binder::Scope *scope) : RegScope(cg)
         }
     }
 
-    if (cg_->IsDebug()) {
+    if (cg_->IsDebug() && !cg_->insns_.empty()) {
         cg_->scope_->SetScopeStart(cg_->insns_.back());
         cg_->debugInfo_.VariableDebugInfo().push_back(cg_->scope_);
     }