diff --git a/source/tools/detect/mem/podmem/memcache/btfparse.h b/source/tools/detect/mem/podmem/memcache/btfparse.h
index b2de53773fb243f92aca55a16579f3890cddd010..c7b97d1d09910c57c3c205d811a89e82035d9662 100644
--- a/source/tools/detect/mem/podmem/memcache/btfparse.h
+++ b/source/tools/detect/mem/podmem/memcache/btfparse.h
@@ -31,7 +31,7 @@ struct member_attribute
  * Note: Remember to free pointer of struct member_attribute
  */
 struct member_attribute *btf_find_struct_member(struct btf *btf, char *struct_name, char *member_name);
-
+void btf__free(struct btf *btf);
 
 #endif
 
diff --git a/source/tools/detect/mem/podmem/memcache/memcg.cpp b/source/tools/detect/mem/podmem/memcache/memcg.cpp
index 441120005270b2fc53b20bd8b2b2e34bba1c6b31..01e66a431db0a3ff35b02544d586b461cac5adfd 100644
--- a/source/tools/detect/mem/podmem/memcache/memcg.cpp
+++ b/source/tools/detect/mem/podmem/memcache/memcg.cpp
@@ -406,5 +406,6 @@ int memcg_cgroup_file(char *cgroupfile)
     {
         memcg_cgroup_path(cgroup.c_str());       
     }
+    filename.close();
     return 0;
 }
diff --git a/source/tools/detect/mem/podmem/memcache/offset.cpp b/source/tools/detect/mem/podmem/memcache/offset.cpp
index b4d36d8811a33a9bfc887d6345400311f29cad98..de26e093da61de1e63356d8f69f79edb697d6501 100644
--- a/source/tools/detect/mem/podmem/memcache/offset.cpp
+++ b/source/tools/detect/mem/podmem/memcache/offset.cpp
@@ -25,6 +25,7 @@ int sym_init(char *btf_name)
 
 int sym_uninit(void)
 {
+    btf__free(handle);
     map<string,struct member_attribute *>::iterator iter; 
     struct member_attribute *info;