diff --git a/src/share/throttle/ob_share_throttle_define.cpp b/src/share/throttle/ob_share_throttle_define.cpp
index 1bed814de1..50e3f0539a 100644
--- a/src/share/throttle/ob_share_throttle_define.cpp
+++ b/src/share/throttle/ob_share_throttle_define.cpp
@@ -77,13 +77,16 @@ void FakeAllocatorForTxShare::adaptive_update_limit(const int64_t tenant_id,
 
   int64_t cur_ts = ObClockGenerator::getClock();
   int64_t old_ts = last_update_limit_ts;
-  if ((cur_ts - old_ts > UPDATE_LIMIT_INTERVAL) && ATOMIC_BCAS(&last_update_limit_ts, old_ts, cur_ts)) {
+  if (OB_UNLIKELY(old_ts - cur_ts > UPDATE_LIMIT_INTERVAL)) {
+    SHARE_LOG_RET(ERROR, OB_ERR_UNEXPECTED, "invalid timestamp", K(cur_ts), K(old_ts));
+  } else if ((cur_ts - old_ts > UPDATE_LIMIT_INTERVAL) && ATOMIC_BCAS(&last_update_limit_ts, old_ts, cur_ts)) {
     int64_t remain_memory = lib::get_tenant_memory_remain(tenant_id);
     int64_t usable_remain_memory = remain_memory / 100 * USABLE_REMAIN_MEMORY_PERCETAGE;
     if (remain_memory > MAX_UNUSABLE_MEMORY) {
       usable_remain_memory = std::max(usable_remain_memory, remain_memory - MAX_UNUSABLE_MEMORY);
     }
 
+
     is_updated = false;
     if (holding_size + usable_remain_memory < config_specify_resource_limit) {
       resource_limit = holding_size + usable_remain_memory;
diff --git a/src/share/throttle/ob_throttle_unit.h b/src/share/throttle/ob_throttle_unit.h
index c4f0ba11a5..042192dd3d 100644
--- a/src/share/throttle/ob_throttle_unit.h
+++ b/src/share/throttle/ob_throttle_unit.h
@@ -73,6 +73,8 @@ public:
         throttle_max_duration_(0),
         last_advance_clock_ts_us_(0),
         last_print_throttle_info_ts_(0),
+        last_update_limit_ts_(0),
+        tenant_id_(0),
         decay_factor_(0),
         throttle_info_map_() {}
   ~ObThrottleUnit() {}
@@ -138,6 +140,9 @@ public:
   int64_t expected_wait_time(share::ObThrottleInfoGuard &ti_guard, const int64_t holding_size);
 
   TO_STRING_KV(K(unit_name_),
+               K(is_inited_),
+               K(enable_adaptive_limit_),
+               K(config_specify_resource_limit_),
                K(resource_limit_),
                K(sequence_num_),
                K(clock_),
@@ -145,7 +150,10 @@ public:
                K(throttle_trigger_percentage_),
                K(throttle_max_duration_),
                K(last_advance_clock_ts_us_),
+               K(last_print_throttle_info_ts_),
+               K(last_update_limit_ts_),
                K(decay_factor_));
+
 public: // throttle configs setter
   void enable_adaptive_limit();
   void set_throttle_trigger_percentage(const int64_t throttle_trigger_percentage);