diff --git a/tooling/agent/debugger_impl.cpp b/tooling/agent/debugger_impl.cpp
index 1b201f98839764239353c941259fd5da54367a46..d2b52151660da84ebf27f1d58d26d746fbde57ea 100755
--- a/tooling/agent/debugger_impl.cpp
+++ b/tooling/agent/debugger_impl.cpp
@@ -1464,8 +1464,9 @@ DispatchResponse DebuggerImpl::SetBreakpointByUrl(const SetBreakpointByUrlParams
             }
             return DebuggerApi::SetBreakpoint(jsDebugger_, location, condFuncRef, isSmartBreakpoint);
         };
+        std::string methodName = params.HasMethodName() ? params.GetMethodName() : "";
         if (!extractor->MatchWithLocation(callbackFunc, lineNumber, columnNumber, url, GetRecordName(url),
-            isSmartBreakpoint, params.GetMethodName())) {
+            isSmartBreakpoint, methodName)) {
             LOG_DEBUGGER(ERROR) << "failed to set breakpoint location number: "
                 << lineNumber << ":" << columnNumber;
             return DispatchResponse::Fail("Breakpoint not found.");