diff --git a/docs/Details_Usage.md b/docs/Details_Usage.md
index 09119ba2e46e4e4fe2ceef46297d1be0e69d0ae2..6cff99953cf3d8edd43a25105536adc9c1143ac5 100644
--- a/docs/Details_Usage.md
+++ b/docs/Details_Usage.md
@@ -337,7 +337,6 @@ int main() {
         printf("event:%s pid=%d tid=%d cpu=%d count=%llu\n",data[i].evt,data[i].pid,data[i].tid,data[i].cpu,data[i].count);
     }
     PmuDataFree(data);
-    PmuDisable(pd);
     PmuClose(pd);
     return 0;
 }
diff --git a/pmu/perf_counter_default.cpp b/pmu/perf_counter_default.cpp
index 4e45f697077155772089b654252011c47587fad3..0dd1ec599e5cf037633f0920a44417e84e1d0f33 100644
--- a/pmu/perf_counter_default.cpp
+++ b/pmu/perf_counter_default.cpp
@@ -421,9 +421,6 @@ int KUNPENG_PMU::PerfCounterDefault::Disable()
 
 int KUNPENG_PMU::PerfCounterDefault::Reset()
 {
-    if (groupFd != -1) {
-        return SUCCESS;
-    }
     return PerfEvt::Reset();
 }