diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 55b97e0..d02262c 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1095,7 +1095,7 @@ int Human::GetSkillLeftTime()
             return 0;
         } else {
             int passed_time = (room->frameno - last_use_skill_frameno_) * kFRAME_RATE_MS;
-            int skill_left_time = std::max(0, skill_meta_->i->skill_cd() * 1000 - passed_time);
+            int skill_left_time = std::max(0, GetSkillCd() - passed_time);
             return skill_left_time;
         }
     }
@@ -1104,7 +1104,14 @@ int Human::GetSkillLeftTime()
 
 int Human::GetSkillCd()
 {
-    return skill_meta_ ? skill_meta_->i->skill_cd() * 1000 : 0;
+    if (!skill_meta_) {
+        return 0;
+    }
+    if (TankLv() <= 1) {
+        return skill_meta_->i->skill_cd() * 1000;
+    } else {
+        return skill_meta_->i->skill_cd() * 1000 - (TankLv() - 1) * skill_meta_->i->cold_time_up();
+    }
 }
 
 void Human::TriggerOneObjectBuff(Entity* target, BuffTriggerType_e trigger_type)
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index f8588d5..b5084e2 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -120,6 +120,7 @@ message Skill
     required int32 skill_target = 8;
     required string buff_list = 9;
     required float skill_distance = 10;
+    required int32 cold_time_up = 11;
 
     optional int32 phase1_time_offset = 20;
     optional int32 phase1_func = 21;