diff --git a/src/elf_file.cpp b/src/elf_file.cpp
index 67163da6ef76288a1c99d7e18b271bdfbfda9d2c..a6a0913ee5795734f45bcae67c90b85a51a9ccd7 100644
--- a/src/elf_file.cpp
+++ b/src/elf_file.cpp
@@ -289,6 +289,7 @@ bool ElfFile::ParseSymNamesStr()
     uint64_t secOffset = shdr->fileOffset_;
     uint64_t secSize = shdr->secSize_;
     int64_t ret = lseek(fd_, secOffset, SEEK_SET);
+    HLOG_ASSERT(ret >= 0);
     char *secBuf = new (std::nothrow) char[secSize];
     if (secBuf == nullptr) {
         HLOGE("Error in ElfFile::ParsesymNamesStr(): new failed");
diff --git a/src/perf_events.cpp b/src/perf_events.cpp
index 293f1737045b6581ac0dfc386b8757f66f95a576..92ed0e5f9318356174bdf0dd5852bcbbd34761c1 100644
--- a/src/perf_events.cpp
+++ b/src/perf_events.cpp
@@ -1056,7 +1056,7 @@ bool PerfEvents::CreateFdEvents(void)
                     }
                     // update group leader
                     if (groupFdCache[icpu][ipid] == -1) {
-                        groupFdCache[icpu][ipid] = fd.Get();
+                        groupFdCache[icpu][ipid] = fdItem.fd.Get();
                     }
                 }
             }