diff --git a/deps/easy/src/io/easy_negotiation.c b/deps/easy/src/io/easy_negotiation.c
index 8bd1df357..ffc223835 100644
--- a/deps/easy/src/io/easy_negotiation.c
+++ b/deps/easy/src/io/easy_negotiation.c
@@ -31,9 +31,9 @@ static int easy_magic_in_support_list(uint64_t magic)
     int i = 0;
     for (i = 0; i < g_support_eio_maigc_num; i++) {
         if (magic == g_support_eio_maigc[i]) {
-            return 1;
-        }
-    }
+            return 1;
+        }
+    }
 
     return ret;
 }
@@ -197,9 +197,9 @@ int net_send_negotiate_message(uint8_t negotiation_enable, int fd, uint64_t magi
     ne_msg.msg_body.io_thread_index = index;
 
     easy_addr_t addr = easy_inet_getpeername(fd);
-    char addr_str[32];
-    easy_inet_addr_to_str(&addr, addr_str, 32);
-    if (negotiation_enable) {
+    char addr_str[32];
+    easy_inet_addr_to_str(&addr, addr_str, 32);
+    if (negotiation_enable) {
         if (magic) {
             int send_bytes = 0;
             const int MAX_SEND_LEN = 20;
@@ -243,9 +243,9 @@ void net_consume_negotiation_msg(int fd, uint64_t magic)
     int64_t decode_len = 0;
     easy_negotiation_msg_t ne_msg;
     char recv_buf[recv_buf_len];
-
-    memset(&ne_msg, 0, sizeof(ne_msg));
-    memset(recv_buf, 0, sizeof(recv_buf_len));
+
+    memset(&ne_msg, 0, sizeof(ne_msg));
+    memset(recv_buf, 0, sizeof(recv_buf_len));
 
     while ((rcv_bytes = recv(fd, (char *) recv_buf, sizeof(recv_buf), MSG_PEEK)) < 0 && EINTR == errno);
 
diff --git a/src/share/stat/ob_stat_item.h b/src/share/stat/ob_stat_item.h
index b42b5c927..0110187aa 100644
--- a/src/share/stat/ob_stat_item.h
+++ b/src/share/stat/ob_stat_item.h
@@ -201,6 +201,8 @@ public:
                ObOptColumnStat *stat) :
     ObStatColItem(param, stat)
   {}
+  // always need to deduce table avg row length
+  virtual bool is_needed() const override { return true; }
   const char *get_fmt() const
   {
     return lib::is_oracle_mode() ? " AVG(SYS_OP_OPNSIZE(\"%.*s\"))"