diff --git a/tooling/static/debugger/debug_info_cache.cpp b/tooling/static/debugger/debug_info_cache.cpp
index af65685fade0f6af92d892f2c55e4011d19c1113..68add1eebb35f73a1602e9b637a13a6aebabec59 100644
--- a/tooling/static/debugger/debug_info_cache.cpp
+++ b/tooling/static/debugger/debug_info_cache.cpp
@@ -22,10 +22,10 @@
 #include "os/mutex.h"
 
 namespace ark::tooling::inspector {
-void DebugInfoCache::AddPandaFile(const panda_file::File &file)
+void DebugInfoCache::AddPandaFile(const panda_file::File &file, bool isUserPandafile)
 {
     os::memory::LockHolder lock(debugInfosMutex_);
-    const auto &debugInfo =
+    auto &debugInfo =
         debugInfos_
             .emplace(std::piecewise_construct, std::forward_as_tuple(&file),
                      std::forward_as_tuple(file,
@@ -36,6 +36,7 @@ void DebugInfoCache::AddPandaFile(const panda_file::File &file)
                                                                       std::forward_as_tuple(file, methodId));
                                            }))
             .first->second;
+    debugInfo.SetUserFile(isUserPandafile);
 
     // For all methods add non-empty source code read from debug-info
     for (auto methodId : debugInfo.GetMethodIdList()) {
@@ -57,7 +58,7 @@ void DebugInfoCache::GetSourceLocation(const PtFrame &frame, std::string_view &s
     auto method = frame.GetMethod();
     auto pandaFile = method->GetPandaFile();
     auto debugInfo = GetDebugInfo(pandaFile);
-    if (debugInfo == nullptr) {
+    if (debugInfo == nullptr || !debugInfo->IsUserFile()) {
         lineNumber = 1;
         return;
     }
@@ -419,4 +420,14 @@ const char *DebugInfoCache::GetSourceFile(Method *method)
     return debugInfo->GetSourceFile(method->GetFileId());
 }
 
+const char *DebugInfoCache::GetUserSourceFile(Method *method)
+{
+    auto pandaFile = method->GetPandaFile();
+    auto debugInfo = GetDebugInfo(pandaFile);
+    if ((debugInfo == nullptr) || !debugInfo->IsUserFile()) {
+        return nullptr;
+    }
+    return debugInfo->GetSourceFile(method->GetFileId());
+}
+
 }  // namespace ark::tooling::inspector
diff --git a/tooling/static/debugger/debug_info_cache.h b/tooling/static/debugger/debug_info_cache.h
index 27b8dce3b33fa2917900836cb33f730fa34550d5..f018042832a390e05b62ed650ebedc92c761b5ad 100644
--- a/tooling/static/debugger/debug_info_cache.h
+++ b/tooling/static/debugger/debug_info_cache.h
@@ -35,7 +35,7 @@ public:
     NO_COPY_SEMANTIC(DebugInfoCache);
     NO_MOVE_SEMANTIC(DebugInfoCache);
 
-    void AddPandaFile(const panda_file::File &file);
+    void AddPandaFile(const panda_file::File &file, bool isUserPandafile = false);
     void GetSourceLocation(const PtFrame &frame, std::string_view &sourceFile, std::string_view &methodName,
                            size_t &lineNumber);
     std::unordered_set<PtLocation, HashLocation> GetCurrentLineLocations(const PtFrame &frame);
@@ -54,6 +54,8 @@ public:
 
     const char *GetSourceFile(Method *method);
 
+    const char *GetUserSourceFile(Method *method);
+
     const panda_file::DebugInfoExtractor *GetDebugInfo(const panda_file::File *file) const;
 
 private:
diff --git a/tooling/static/inspector.cpp b/tooling/static/inspector.cpp
index 136a120b5f9aec028fdc671e4ebbc2d2d42702ed..cc55c7c02d0e053e04650416edec6db8af47d33a 100644
--- a/tooling/static/inspector.cpp
+++ b/tooling/static/inspector.cpp
@@ -134,6 +134,10 @@ void Inspector::MethodEntry(PtThread thread, Method * /* method */)
 
     auto *debuggableThread = GetDebuggableThread(thread);
     ASSERT(debuggableThread != nullptr);
+    auto stack = StackWalker::Create(thread.GetManagedThread());
+    if (stack.IsCFrame()) {
+        return;
+    }
     if (debuggableThread->OnMethodEntry()) {
         HandleError(debugger_.NotifyFramePop(thread, 0));
     }
@@ -160,7 +164,7 @@ void Inspector::LoadModule(std::string_view fileName)
     Runtime::GetCurrent()->GetClassLinker()->EnumeratePandaFiles(
         [this, fileName](auto &file) {
             if (file.GetFilename() == fileName) {
-                debugInfoCache_.AddPandaFile(file);
+                debugInfoCache_.AddPandaFile(file, true);
                 const auto *extractor = debugInfoCache_.GetDebugInfo(&file);
                 SourceNameInsert(extractor);
                 ResolveBreakpoints(file, extractor);
@@ -180,7 +184,7 @@ void Inspector::SingleStep(PtThread thread, Method *method, const PtLocation &lo
 {
     os::memory::ReadLockHolder lock(debuggerEventsLock_);
 
-    auto sourceFile = debugInfoCache_.GetSourceFile(method);
+    auto sourceFile = debugInfoCache_.GetUserSourceFile(method);
     // NOTE(fangting, #IC98Z2): etsstdlib.ets should not call loadModule in pytest.
     if ((sourceFile == nullptr) || (strcmp(sourceFile, "etsstdlib.ets") == 0)) {
         return;
diff --git a/tooling/static/tests/debug_info_cache.cpp b/tooling/static/tests/debug_info_cache.cpp
index ca96a741908bcbe88f0c9cbbec05d76a93a22998..57906985c6e538e265e6fb1aa7b7bd685ee29dce 100644
--- a/tooling/static/tests/debug_info_cache.cpp
+++ b/tooling/static/tests/debug_info_cache.cpp
@@ -53,7 +53,7 @@ protected:
         auto pf = panda_file::OpenPandaFile(ASM_FILE_NAME);
         ASSERT_NE(pf, nullptr);
 
-        cache.AddPandaFile(*pf);
+        cache.AddPandaFile(*pf, true);
 
         RuntimeOptions options;
         options.SetShouldInitializeIntrinsics(false);