diff --git a/deps/3rd/jsoncpp b/deps/3rd/jsoncpp
index 8190e061b..89e2973c7 160000
--- a/deps/3rd/jsoncpp
+++ b/deps/3rd/jsoncpp
@@ -1 +1 @@
-Subproject commit 8190e061bc2d95da37479a638aa2c9e483e58ec6
+Subproject commit 89e2973c754a9c02a49974d839779b151e95afd6
diff --git a/deps/3rd/libevent b/deps/3rd/libevent
index 5df3037d1..112421c8f 160000
--- a/deps/3rd/libevent
+++ b/deps/3rd/libevent
@@ -1 +1 @@
-Subproject commit 5df3037d10556bfcb675bc73e516978b75fc7bc7
+Subproject commit 112421c8fa4840acd73502f2ab6a674fc025de37
diff --git a/src/observer/storage/buffer/disk_buffer_pool.h b/src/observer/storage/buffer/disk_buffer_pool.h
index d41d1bd0c..070fbd6f1 100644
--- a/src/observer/storage/buffer/disk_buffer_pool.h
+++ b/src/observer/storage/buffer/disk_buffer_pool.h
@@ -73,7 +73,6 @@ struct BPFileHeader
    */
   static const int MAX_PAGE_NUM =
       (BP_PAGE_DATA_SIZE - sizeof(buffer_pool_id) - sizeof(page_count) - sizeof(allocated_pages)) * 8;
-
   string to_string() const;
 };
 
@@ -352,5 +351,4 @@ class BufferPoolManager final
   common::Mutex                            lock_;
   unordered_map<string, DiskBufferPool *>  buffer_pools_;
   unordered_map<int32_t, DiskBufferPool *> id_to_buffer_pools_;
-  atomic<int32_t>                          next_buffer_pool_id_{1};  // 系统启动时，会打开所有的表，这样就可以知道当前系统最大的ID是多少了
-};
+  atomic<int32_t> next_buffer_pool_id_{1};  // System startup opens all tables to know current max ID};
diff --git a/src/observer/storage/buffer/page.h b/src/observer/storage/buffer/page.h
index cc7b02293..35f463625 100644
--- a/src/observer/storage/buffer/page.h
+++ b/src/observer/storage/buffer/page.h
@@ -23,13 +23,12 @@ static constexpr PageNum BP_INVALID_PAGE_NUM = -1;
 
 static constexpr PageNum BP_HEADER_PAGE = 0;
 
-static constexpr const int BP_PAGE_SIZE      = (1 << 13);
-static constexpr const int BP_PAGE_DATA_SIZE = (BP_PAGE_SIZE - sizeof(LSN) - sizeof(CheckSum));
-
-/**
- * @brief 表示一个页面，可能放在内存或磁盘上
- * @ingroup BufferPool
- */
+static constexpr const int BP_PAGE_SIZE = (1 << 13);
+static constexpr const int BP_PAGE_DATA_SIZE =
+    (BP_PAGE_SIZE - sizeof(LSN) - sizeof(CheckSum)); /**
+                                                      * @brief 表示一个页面，可能放在内存或磁盘上
+                                                      * @ingroup BufferPool
+                                                      */
 struct Page
 {
   LSN      lsn;