Merge remote-tracking branch 'origin/master'

db/vlog_set.h

@@ -65,7 +65,7 @@ friend class gc_executor;
   int counter = 0;
   std::mutex counter_latch_;
   std::mutex finished_latch_;
-  bool finished = false;
+  bool finished = true;
 
   VlogGC *vlog_gc;  // 仅声明为指针，具体定义放在 vlog_set.cpp
 };