diff --git a/helper/version.en.md b/helper/version.en.md
index f227961..d337c38 100644
--- a/helper/version.en.md
+++ b/helper/version.en.md
@@ -64,4 +64,7 @@
 ## 0.1.8
 1. Disable macos option+commond+i
 2. Delete some debugging code and useless code
-3. Modify the event model
\ No newline at end of file
+3. Modify the event model
+
+## 0.1.9
+1. Fix the bug of accidental injury in IFrame
\ No newline at end of file
diff --git a/helper/version.md b/helper/version.md
index 5e35e54..8ed2f91 100644
--- a/helper/version.md
+++ b/helper/version.md
@@ -64,4 +64,7 @@
 ## 0.1.8
 1. 禁用 macos option+commond+i
 2. 删除部分调试代码与无用代码
-3. 修改事件模型
\ No newline at end of file
+3. 修改事件模型
+   
+## 0.1.9
+1. 修复IFrame中误伤的bug
\ No newline at end of file
diff --git a/index.html b/index.html
index ae726d7..428d225 100644
--- a/index.html
+++ b/index.html
@@ -182,7 +182,7 @@ declare type DETECTOR_TYPE = -1 | 0 | 1 | 2 | 3;</code></p>
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-        src='https://cdn.jsdelivr.net/npm/disable-devtool@0.1.8/disable-devtool.min.js#use'
+        src='https://cdn.jsdelivr.net/npm/disable-devtool@0.1.9/disable-devtool.min.js#use'
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diff --git a/npm/disable-devtool.min.js b/npm/disable-devtool.min.js
index 2b96b76..b0216f0 100644
--- a/npm/disable-devtool.min.js
+++ b/npm/disable-devtool.min.js
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Array(t,o,i,r)}(function(e){for(var n=Array(),t=0;t<8*e.length;t+=8)n[t>>5]|=(255&e.charCodeAt(t/8))<<t%32;return n}(e),8*e.length))};function S(){var e=window.outerWidth-window.innerWidth>100,n=window.outerHeight-window.innerHeight>300;return!e&&!n||(N(O.SIZE),!1)}function I(e,n,t){return n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t,e}var O={UNKONW:-1,REG_TO_STRING:0,DEFINE_ID:1,SIZE:2,DATE_TO_STRING:3,FUNC_TO_STRING:4},D=(I(_={},O.REG_TO_STRING,(function(){var e=d("qqbrowser"),n=d("firefox");if(e||n){var t=0,o=/./;console.log(o),o.toString=function(){if(e){var o=(new Date).getTime();t&&o-t<100?N(O.REG_TO_STRING):t=o}else n&&N(O.REG_TO_STRING);return""},a((function(){console.log(o)}))}})),I(_,O.DEFINE_ID,(function(){var e=document.createElement("div");e.__defineGetter__("id",(function(){N(O.DEFINE_ID)})),Object.defineProperty(e,"id",{get:function(){N(O.DEFINE_ID)}}),a((function(){console.log(e)}))})),I(_,O.SIZE,(function(){!function(){try{return window.self!==window.top}catch(e){return!0}}()?(S(),window.addEventListener("resize",(function(){setTimeout(S,100)}),!0)):console.warn("SizeDetector is disabled in IFrame")})),I(_,O.DATE_TO_STRING,(function(){var e=0,n=new Date;n.toString=function(){return e++,""},a((function(){e=0,console.log(n),console.clear(),e>=2&&N(O.DATE_TO_STRING)}))})),I(_,O.FUNC_TO_STRING,(function(){var e=0,n=function(){};n.toString=function(){return e++,""},a((function(){e=0,console.log(n),console.clear(),e>=2&&N(O.FUNC_TO_STRING)}))})),_);function N(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:O.UNKONW;console.warn("You ar not allow to use DEVTOOL! 【type = ".concat(e,"】")),v.clearIntervalWhenDevOpenTrigger&&l(),f(),v.ondevtoolopen(e)}function R(e){!function(){var 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\ No newline at end of file
diff --git a/npm/package.json b/npm/package.json
index c3c8028..64102ef 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -1,6 +1,6 @@
 {
     "name": "disable-devtool",
-    "version": "0.1.8",
+    "version": "0.1.9",
     "description": "Disable web developer tools from the f12 button, right-click and browser ",
     "main": "disable-devtool.min.js",
     "unpkg": "disable-devtool.min.js",
diff --git a/package.json b/package.json
index f913e80..2fd0c12 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "disable-devtool",
-    "version": "0.1.8",
+    "version": "0.1.9",
     "description": "Disable web developer tools from the f12 button, right-click and browser ",
     "main": "disable-devtool.min.js",
     "unpkg": "disable-devtool.min.js",
diff --git a/src/detector/size.js b/src/detector/size.js
index b9f232b..ef2acd5 100644
--- a/src/detector/size.js
+++ b/src/detector/size.js
@@ -2,16 +2,17 @@
  * @Author: theajack
  * @Date: 2021-07-24 23:15:54
  * @LastEditor: theajack
- * @LastEditTime: 2021-11-15 23:44:27
+ * @LastEditTime: 2021-11-17 12:02:49
  * @Description: Coding something
- * @FilePath: /disable-devtool/src/detector/size.js
+ * @FilePath: \disable-devtool\src\detector\size.js
  */
 
+import {isInIframe} from '../util';
 import {DETECTOR_TYPE, triggerOnDevOpen} from './detector';
 
 function checkWindowSizeUneven () {
-    const widthUneven = window.outerWidth - window.innerWidth > 20;
-    const heightUneven = window.outerHeight - window.innerHeight > 250; // 调大一点防止误伤
+    const widthUneven = window.outerWidth - window.innerWidth > 100;
+    const heightUneven = window.outerHeight - window.innerHeight > 300; // 调大一点防止误伤
     if (widthUneven || heightUneven) {
         triggerOnDevOpen(DETECTOR_TYPE.SIZE);
         return false;
@@ -20,6 +21,10 @@ function checkWindowSizeUneven () {
 }
 
 export default function detector () {
+    if (isInIframe()) {
+        console.warn('SizeDetector is disabled in IFrame');
+        return;
+    }
     checkWindowSizeUneven();
     window.addEventListener('resize', () => {
         setTimeout(checkWindowSizeUneven, 100);
diff --git a/src/util.js b/src/util.js
index 6170645..a7013b3 100644
--- a/src/util.js
+++ b/src/util.js
@@ -121,4 +121,12 @@ export function isMacOs () {
 
 function hasUaName (name) {
     return navigator.userAgent.toLocaleLowerCase().indexOf(name) !== -1;
+}
+
+export function isInIframe () {
+    try {
+        return window.self !== window.top;
+    } catch (e) {
+        return true;
+    }
 }
\ No newline at end of file
diff --git a/src/version.js b/src/version.js
index d335650..9888784 100644
--- a/src/version.js
+++ b/src/version.js
@@ -1 +1 @@
-export default '0.1.8';
\ No newline at end of file
+export default '0.1.9';
\ No newline at end of file