diff --git a/src/share/io/io_schedule/ob_io_mclock.cpp b/src/share/io/io_schedule/ob_io_mclock.cpp
index 18a5cd503c..413efa1b03 100644
--- a/src/share/io/io_schedule/ob_io_mclock.cpp
+++ b/src/share/io/io_schedule/ob_io_mclock.cpp
@@ -519,7 +519,7 @@ double ObTenantIOClock::get_weight_scale(const int64_t queue_index)
 
 int64_t ObTenantIOClock::calc_iops(const int64_t iops, const int64_t percentage)
 {
-  return max(1, static_cast<int64_t>(static_cast<double>(iops) * percentage / 100));
+  return static_cast<double>(iops) / 100 * percentage >= INT64_MAX ? INT64_MAX : static_cast<int64_t>(static_cast<double>(iops) / 100 * percentage);
 }
 
 int64_t ObTenantIOClock::calc_weight(const int64_t weight, const int64_t percentage)
@@ -533,4 +533,4 @@ void ObTenantIOClock::stop_clock(const uint64_t index)
   if (index < group_clocks_.count() && index >= 0) {
     group_clocks_.at(index).stop();
   }
-}
\ No newline at end of file
+}
diff --git a/src/share/io/ob_io_manager.cpp b/src/share/io/ob_io_manager.cpp
index 3c57ee4bb9..6c2877829a 100644
--- a/src/share/io/ob_io_manager.cpp
+++ b/src/share/io/ob_io_manager.cpp
@@ -883,7 +883,7 @@ int ObTenantIOManager::update_basic_io_config(const ObTenantIOConfig &io_config)
         if (OB_FAIL(io_clock_->update_io_clocks(io_config_))) {
           LOG_WARN("refresh io clock failed", K(ret), K(io_config_));
         } else {
-          LOG_INFO("update basic io config success", K(tenant_id_), K(io_config_), K(io_config));
+          LOG_INFO("update basic io config success", K(tenant_id_), K(io_config_), K(io_config), K(io_clock_));
         }
       }
     }