diff --git a/include/report.h b/include/report.h
index 780bcaf7ffdc54979cc68c37aae967c6a296927b..ae7f0e083228f1ca8d626ed5829e9d7e0470d455 100644
--- a/include/report.h
+++ b/include/report.h
@@ -503,6 +503,12 @@ public:
     virtual ~Report() {}
 
     std::map<uint64_t, size_t> configIdIndexMaps_; // index of configNames_
+    std::string GetConfigName(uint64_t id)
+    {
+        size_t index = GetConfigIndex(id);
+        HIPERF_ASSERT(index < configs_.size(), "unable found config index %zu\n", index);
+        return configs_[index].eventName_;
+    }
 
     size_t GetConfigIndex(uint64_t id)
     {
diff --git a/test/unittest/common/native/report_test.cpp b/test/unittest/common/native/report_test.cpp
index 33f4a43dbd6057fa6ac9e37eeca61808cd21af36..6475bd02277b84567b5507ce03c21b3066779566 100644
--- a/test/unittest/common/native/report_test.cpp
+++ b/test/unittest/common/native/report_test.cpp
@@ -829,6 +829,20 @@ HWTEST_F(ReportTest, PrepareConsole, TestSize.Level1)
         EXPECT_EQ(report_->consoleWidth_, report_->ConsoleDefaultWidth);
     }
 }
+
+HWTEST_F(ReportTest, OverConfigIndex, TestSize.Level1)
+{
+    pid_t pid = fork();
+    ASSERT_NE(pid, -1);
+
+    if (pid == 0) {
+        report_->configIdIndexMaps_.emplace(1000u, 1000u);
+        report_->GetConfigName(1000);
+        _exit(-2);
+    } else {
+        printf("exit.\n");
+    }
+}
 } // namespace HiPerf
 } // namespace Developtools
 } // namespace OHOS