diff --git a/assets/script/game/common/config/Mission.ts b/assets/script/game/common/config/Mission.ts
index 4a12ac68..71951018 100644
--- a/assets/script/game/common/config/Mission.ts
+++ b/assets/script/game/common/config/Mission.ts
@@ -58,7 +58,7 @@ export enum FightSet {
     BLUE_GOLD=2,//蓝色金币
     PURPLE_GOLD=3,//紫色金币
     ORANGE_GOLD=4,//橙色金币
-    BURN_COUNT=5,//默认易伤次数
+    BURN_COUNT=5,//默认易伤次数 5秒
     STUN_TIME=0.5,//默认晕时间
     WEAPON_LV=2,//武器等级
     SHIELD_LV=3,//护盾等级
diff --git a/assets/script/game/hero/HeroViewComp.ts b/assets/script/game/hero/HeroViewComp.ts
index cf8fda3b..83f9148d 100644
--- a/assets/script/game/hero/HeroViewComp.ts
+++ b/assets/script/game/hero/HeroViewComp.ts
@@ -96,14 +96,14 @@ export class HeroViewComp extends CCComp {
     buff_debuff_down:number=0
     skill_dmg:number=0
 
-    BUFF_DEFS: Array<{value: number, count: number}> = [] //防御提升
-    BUFF_ATKS: Array<{value: number, count: number}> = [] //攻击提升
-    BUFF_CDS: Array<{value: number, count: number}> = [] //攻击加速
-    BUFF_DEDOWN:Array<{value: number, count: number}> = [] //debuff 概率降低
+    BUFF_DEFS: Array<{value: number, duration: number}> = [] //防御提升
+    BUFF_ATKS: Array<{value: number, duration: number}> = [] //攻击提升
+    BUFF_CDS: Array<{value: number, duration: number}> = [] //攻击加速
+    BUFF_DEDOWN:Array<{value: number, duration: number}> = [] //debuff 概率降低
 
-    DEBUFF_BURNS: Array<{value: number, count: number}> = [] //易伤
-    DEBUFF_DEATKS: Array<{value: number, count: number}> = [] //减攻击
-    DEBUFF_DECDS: Array<{value: number, count: number}> = [] //减攻击速度
+    DEBUFF_BURNS: Array<{value: number, duration: number}> = [] //易伤
+    DEBUFF_DEATKS: Array<{value: number, duration: number}> = [] //减攻击
+    DEBUFF_DECDS: Array<{value: number, duration: number}> = [] //减攻击速度
     
     DEBUFF_SLOW: number = 0; //减速
     DEBUFF_FROST: number = 0; //冰冻
@@ -185,6 +185,9 @@ export class HeroViewComp extends CCComp {
         if(this.DEBUFF_STUN > 0){ 
             this.DEBUFF_STUN -=dt;
         }
+        
+        // 更新所有按时间减少的buff和debuff
+        this.updateBuffsAndDebuffs(dt);
         this.in_stop(dt);
         // 处理伤害队列
         this.processDamageQueue();
@@ -245,7 +248,7 @@ export class HeroViewComp extends CCComp {
     }
 
     check_cd(){
-        return this.cd/((this.buff_cd+this.TALENT[BuffAttr.ATK_CD])/100+1)
+        return  this.cd/((this.buff_cd+this.TALENT[BuffAttr.ATK_CD])/100+1)
     }
     count_cd(){
         this.cd=this.check_cd()
@@ -394,10 +397,7 @@ export class HeroViewComp extends CCComp {
         
         for(let i=0;i<this.BUFF_DEDOWN.length;i++){
             DEBUFF_DOWN+=this.BUFF_DEDOWN[i].value
-            this.BUFF_DEDOWN[i].count-=1
-            if(this.BUFF_DEDOWN[i].count<=0){
-                this.BUFF_DEDOWN.splice(i,1)
-            }
+            // 不再在这里减少duration，改为在update中按时间减少
         }
         let n_deR=deR-DEBUFF_DOWN-this.buff_debuff_down  // 触发概率
         let r=RandomManager.instance.getRandomInt(0,100) // 随机数
@@ -409,10 +409,10 @@ export class HeroViewComp extends CCComp {
 
         switch(type){
             case DebuffAttr.BURN:
-                this.DEBUFF_BURNS.push({value:deV,count:deC+FightSet.BURN_COUNT})
+                this.DEBUFF_BURNS.push({value:deV,duration:deC+FightSet.BURN_COUNT})
                 break
             case DebuffAttr.DECD:
-                this.DEBUFF_DECDS.push({value:deV,count:deC})
+                this.DEBUFF_DECDS.push({value:deV,duration:deC})
                 break
             case DebuffAttr.SLOW:
                 this.DEBUFF_SLOW+=deV
@@ -436,7 +436,7 @@ export class HeroViewComp extends CCComp {
                 if(deC == 99){
                     this.ap-=deV
                 }else{
-                    this.DEBUFF_DEATKS.push({value:deV,count:deC})
+                    this.DEBUFF_DEATKS.push({value:deV,duration:deC})
                 }
                 break
             case DebuffAttr.DECOUNT:
@@ -452,21 +452,80 @@ export class HeroViewComp extends CCComp {
                 break
         }
         //console.log("[HeroViewComp]:debuffs",type,deV,deC,deR,this.DEBUFF_BURNS)
-    }
+        }
 
-    add_buff(buff:number,count:number,type:number){
+    // 更新所有按时间减少的buff和debuff
+    updateBuffsAndDebuffs(dt: number) {
+        // 更新BUFF_DEFS
+        for(let i = this.BUFF_DEFS.length - 1; i >= 0; i--) {
+            this.BUFF_DEFS[i].duration -= dt;
+            if(this.BUFF_DEFS[i].duration <= 0) {
+                this.BUFF_DEFS.splice(i, 1);
+            }
+        }
+        
+        // 更新BUFF_ATKS
+        for(let i = this.BUFF_ATKS.length - 1; i >= 0; i--) {
+            this.BUFF_ATKS[i].duration -= dt;
+            if(this.BUFF_ATKS[i].duration <= 0) {
+                this.BUFF_ATKS.splice(i, 1);
+            }
+        }
+        
+        // 更新BUFF_CDS
+        for(let i = this.BUFF_CDS.length - 1; i >= 0; i--) {
+            this.BUFF_CDS[i].duration -= dt;
+            if(this.BUFF_CDS[i].duration <= 0) {
+                this.BUFF_CDS.splice(i, 1);
+            }
+        }
+        
+        // 更新BUFF_DEDOWN
+        for(let i = this.BUFF_DEDOWN.length - 1; i >= 0; i--) {
+            this.BUFF_DEDOWN[i].duration -= dt;
+            if(this.BUFF_DEDOWN[i].duration <= 0) {
+                this.BUFF_DEDOWN.splice(i, 1);
+            }
+        }
+        
+        // 更新DEBUFF_BURNS
+        for(let i = this.DEBUFF_BURNS.length - 1; i >= 0; i--) {
+            this.DEBUFF_BURNS[i].duration -= dt;
+            if(this.DEBUFF_BURNS[i].duration <= 0) {
+                this.DEBUFF_BURNS.splice(i, 1);
+            }
+        }
+        
+        // 更新DEBUFF_DEATKS
+        for(let i = this.DEBUFF_DEATKS.length - 1; i >= 0; i--) {
+            this.DEBUFF_DEATKS[i].duration -= dt;
+            if(this.DEBUFF_DEATKS[i].duration <= 0) {
+                this.DEBUFF_DEATKS.splice(i, 1);
+            }
+        }
+        
+        // 更新DEBUFF_DECDS
+        for(let i = this.DEBUFF_DECDS.length - 1; i >= 0; i--) {
+            this.DEBUFF_DECDS[i].duration -= dt;
+            if(this.DEBUFF_DECDS[i].duration <= 0) {
+                this.DEBUFF_DECDS.splice(i, 1);
+            }
+        }
+    }
+    
+    add_buff(buff:number,duration:number,type:number){
         switch(type){
             case BuffAttr.DEF:
-                this.BUFF_DEFS.push({value:buff,count:count})
+                this.BUFF_DEFS.push({value:buff,duration:duration})
                 break
             case BuffAttr.ATK:
-                this.BUFF_ATKS.push({value:buff,count:count})
+                this.BUFF_ATKS.push({value:buff,duration:duration})
                 break
             case BuffAttr.ATK_CD:
-                this.BUFF_CDS.push({value:buff,count:count})
+                this.BUFF_CDS.push({value:buff,duration:duration})
                 break
             case BuffAttr.DEBUFF_DOWN:
-                this.BUFF_DEDOWN.push({value:buff,count:count})
+                this.BUFF_DEDOWN.push({value:buff,duration:duration})
                 break
         }
     }
@@ -522,17 +581,11 @@ export class HeroViewComp extends CCComp {
         let def = 0;
         for(let i=0;i<this.DEBUFF_BURNS.length;i++){
             Burn+=this.DEBUFF_BURNS[i].value
-            this.DEBUFF_BURNS[i].count-=1
-            if(this.DEBUFF_BURNS[i].count<=0){
-                this.DEBUFF_BURNS.splice(i,1)
-            }
+            // 不再在这里减少duration，改为在update中按时间减少
         }
         for(let i=0;i<this.BUFF_DEFS.length;i++){
             def+=this.BUFF_DEFS[i].value
-            this.BUFF_DEFS[i].count-=1
-            if(this.BUFF_DEFS[i].count<=0){
-                this.BUFF_DEFS.splice(i,1)
-            }
+            // 不再在这里减少duration，改为在update中按时间减少
         }
         // buff 防御 即免伤
 
diff --git a/assets/script/game/hero/SkillConComp.ts b/assets/script/game/hero/SkillConComp.ts
index 85a3748c..30369977 100644
--- a/assets/script/game/hero/SkillConComp.ts
+++ b/assets/script/game/hero/SkillConComp.ts
@@ -286,25 +286,18 @@ export class SkillConComp extends CCComp {
     }
     count_cd(cd:number,view:HeroViewComp){
 
-        // 汇总DEBUFF_DECD并处理count值
+        // 汇总DEBUFF_DECD，不再按次数减少，改为按时间减少
         let decd = 0;
         for (let i = view.DEBUFF_DECDS.length - 1; i >= 0; i--) {
             decd += view.DEBUFF_DECDS[i].value;
-            view.DEBUFF_DECDS[i].count--;
-            // 当count为0时移除该记录
-            if (view.DEBUFF_DECDS[i].count <= 0) {
-                view.DEBUFF_DECDS.splice(i, 1);
-            }
+            // 不再在这里减少duration，改为在update中按时间减少
         }
         let bcd=0
         for (let i = view.BUFF_CDS.length - 1; i >= 0; i--) {
             bcd += view.BUFF_CDS[i].value;
-            view.BUFF_CDS[i].count--;
-            if (view.BUFF_CDS[i].count <= 0) {
-                view.BUFF_CDS.splice(i, 1);
-            }
+            // 不再在这里减少duration，改为在update中按时间减少
         }
-        return cd*(100-bcd+decd)/100
+        return cd/((bcd+decd)/100+1)
     }
     get_count(count:number,view:HeroViewComp){
         let re=count+view.wfuny
diff --git a/assets/script/game/skills/Skill.ts b/assets/script/game/skills/Skill.ts
index d04ea11c..5ffa7d65 100644
--- a/assets/script/game/skills/Skill.ts
+++ b/assets/script/game/skills/Skill.ts
@@ -132,19 +132,13 @@ export class Skill extends ecs.Entity {
         if(view.BUFF_ATKS.length>0){
             for (let i = view.BUFF_ATKS.length - 1; i >= 0; i--) {
                 BUFF_ATK += view.BUFF_ATKS[i].value;
-                view.BUFF_ATKS[i].count--;
-                if (view.BUFF_ATKS[i].count <= 0) {
-                    view.BUFF_ATKS.splice(i, 1);
-                }
+                // 不再在这里减少duration，改为在update中按时间减少
             }
         }
         if(view.DEBUFF_DEATKS.length>0) {
             for (let i = view.DEBUFF_DEATKS.length - 1; i >= 0; i--) {
                 DEBUFF_DEATK += view.DEBUFF_DEATKS[i].value;
-                view.DEBUFF_DEATKS[i].count--;
-                if (view.DEBUFF_DEATKS[i].count <= 0) {
-                    view.DEBUFF_DEATKS.splice(i, 1);
-                }
+                // 不再在这里减少duration，改为在update中按时间减少
             }
         }