diff --git a/_server/blockly/MotaAction.g4 b/_server/blockly/MotaAction.g4
index 93b9c7b1..c5b33c53 100644
--- a/_server/blockly/MotaAction.g4
+++ b/_server/blockly/MotaAction.g4
@@ -1157,12 +1157,12 @@ return code;
 */;
 
 screenFlash_s
-    :   '画面闪烁' Number ',' Number ',' Number '强度' Number '动画时间' Int '不等待执行完毕' Bool Newline
+    :   '画面闪烁' Number ',' Number ',' Number '强度' Number '单次时间' Int '执行次数' Int? '不等待执行完毕' Bool Newline
 
 /* screenFlash_s
-tooltip : screenFlash: 更改画面色调,动画时间可不填
+tooltip : screenFlash: 画面闪烁,动画时间可不填
 helpUrl : https://h5mota.com/games/template/docs/#/event?id=screenFlash%EF%BC%9A%E7%94%BB%E9%9D%A2%E9%97%AA%E7%83%81
-default : [255,255,255,100,500,false]
+default : [255,255,255,1,500,1,false]
 colour : this.soundColor
 var limit = function(v,min,max) {
     if(v>max) return max;
@@ -1172,9 +1172,10 @@ var limit = function(v,min,max) {
 Number_0 = limit(Number_0,0,255);
 Number_1 = limit(Number_1,0,255);
 Number_2 = limit(Number_2,0,255);
-Number_3 = limit(Number_3,0,100);
+Number_3 = limit(Number_3,0,1);
+Int_1 = Int_1!=='' ?(', "times": '+Int_1):'';
 var async = Bool_0?', "async": true':'';
-var code = '{"type": "screenFlash", "color": ['+Number_0+','+Number_1+','+Number_2+'], "intensity": '+Number_3+', "time": '+Int_0 +async+'},\n';
+var code = '{"type": "screenFlash", "color": ['+Number_0+','+Number_1+','+Number_2+','+Number_3+'], "time": '+Int_0 +Int_1+async+'},\n';
 return code;
 */;
 
@@ -2165,7 +2166,7 @@ ActionParser.prototype.parseAction = function() {
       break;
     case "screenFlash": // 画面闪烁
         this.next = MotaActionBlocks['screenFlash_s'].xmlText([
-          data.color[0],data.color[1],data.color[2],data.intensity||100,data.time||500,data.async||false,this.next]);
+          data.color[0],data.color[1],data.color[2],data.color[3]||1,data.time||500,data.times||1,data.async||false,this.next]);
       break;
     case "setWeather": // 更改天气
       this.next = MotaActionBlocks['setWeather_s'].xmlText([
diff --git a/docs/event.md b/docs/event.md
index c928186c..2e1c1cd4 100644
--- a/docs/event.md
+++ b/docs/event.md
@@ -1067,17 +1067,19 @@ async可选，如果为true则会异步执行（即不等待当前事件执行
 
 ``` js
 "x,y": [ // 实际执行的事件列表
-    {"type": "screenFlash", "color": [255,255,255], "intensity": 60, "time": 500}, // 闪光为白色，强度为60，动画时间1000毫秒
-    {"type": "screenFlash", "color": [255,0,0], "intensity": 100, "time": 100,"async": true}, // 闪光为红色，强度最大，动画时间100毫秒，且异步执行
+    {"type": "screenFlash", "color": [255,255,255,0.6], "time": 500, "times": 1}, // 闪光为白色，不透明度0.6，动画时间1000毫秒
+    {"type": "screenFlash", "color": [255,0,0,1], "time": 100, "times": 2, "async": true}, // 闪光为红色，强度最大，动画时间100毫秒，闪烁两次且异步执行
 ]
 ```
 
-color为闪光的颜色。它是一个数组，分别指定目标颜色的R,G,B值。
+color为闪光的颜色。它是一个数组，分别指定目标颜色的R,G,B,A值。
 - 常见RGB颜色： 纯黑[0,0,0]，纯白[255,255,255]，纯红[255,0,0]，等等。
-intensity为强度，即闪光的不透明度，为一个0到100之间的数，值越高闪烁效果越强。默认为100
+A即闪光的不透明度，为一个0到1之间的数，值越高闪烁效果越强。默认为1
 
 time为闪烁时间，默认值为500
 
+times为闪烁次数，两次闪烁会连续进行，默认值为1
+
 async可选，如果为true则会异步执行（即不等待当前事件执行完毕，立刻执行下一个事件）。
 
 ### setWeather：更改天气
diff --git a/libs/core.js b/libs/core.js
index e972c986..01796dbb 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -909,8 +909,8 @@ core.prototype.setFg = function(color, time, callback) {
 }
 
 ////// 画面闪烁 //////
-core.prototype.screenFlash = function (color, intensity, time, callback) {
-    core.ui.screenFlash(color, intensity, time, callback);
+core.prototype.screenFlash = function (color, time, times, callback) {
+    core.ui.screenFlash(color, time, times, callback);
 }
 
 ////// 更新全地图显伤 //////
diff --git a/libs/events.js b/libs/events.js
index 80475de6..20b95994 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -824,11 +824,11 @@ events.prototype.doAction = function() {
             break;
         case "screenFlash": // 画面闪烁
             if (data.async) {
-                core.screenFlash(data.color, data.intensity, data.time);
+                core.screenFlash(data.color, data.time, data.times);
                 this.doAction();
             }
             else {
-                core.screenFlash(data.color, data.intensity, data.time, function() {
+                core.screenFlash(data.color, data.time, data.times, function() {
                     core.events.doAction();
                 });
             }
diff --git a/libs/ui.js b/libs/ui.js
index 14e35566..a11bf87c 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -2770,25 +2770,19 @@ ui.prototype.drawHelp = function () {
 }
 
 ////// 画面闪烁 //////
-ui.prototype.screenFlash = function (color, intensity, time, callback) {
-    core.ui.createCanvas("screenFlash", 0, 0, 416, 416, 155);
-    core.dymCanvas.screenFlash.fillStyle = core.arrayToRGB(color);
-    core.dymCanvas.screenFlash.fillRect(0, 0, 416, 416);
-    core.dymCanvas.screenFlash.canvas.style.opacity = intensity / 100;
-    var per_time = 10, step =  parseInt(time/per_time);
-    var changeAnimate = setInterval(function(){
-        core.dymCanvas.screenFlash.canvas.style.opacity *= (step-1)/step;
-        step--;
-        if (step <= 0) {
-            clearInterval(changeAnimate);
-            core.ui.deleteCanvas("screenFlash");
-            delete core.animateFrame.asyncId[changeAnimate];
-            // core.status.replay.animate=false;
-            if (core.isset(callback)) callback();
-        }
-    }, per_time);
-    
-    core.animateFrame.asyncId[changeAnimate] = true;
+ui.prototype.screenFlash = function (color, time, times, callback) {
+    times = times || 1;
+    time = time/3;
+    var nowColor = core.clone(core.status.curtainColor);
+    core.setFg(color, time, function() {
+        core.setFg(nowColor, time * 2, function() {
+            if (times > 1)
+                core.screenFlash(color, time * 3, times - 1, callback);
+            else {
+                if (core.isset(callback)) callback();
+            }
+        });
+    });
 }
 
 ////// 动态canvas //////