diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6829ded..a64b25f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - requestInStream的回调改成异步
 - 修复tasktool出现crash问题
 - imageKnife依赖更名为library
+- 解决外部定时器失效的问题
 
 
 ## 2.1.1-rc.4
diff --git a/OAT.xml b/OAT.xml
index f6e8ede..10e5eb1 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -10,7 +10,7 @@
             <filteritem type="filename" name="hvigorw" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigor-wrapper.js" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
-            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
+            <filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
         <filefilter name="defaultPolicyFilter" desc="Filters for compatibility，license header policies">
             <filteritem type="filename" name="hvigorfile.*" desc="hvigor配置文件，DevEco Studio自动生成，不手动修改"/>
@@ -20,7 +20,7 @@
             <filteritem type="filename" name="hvigorw" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigor-wrapper.js" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
-            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
+            <filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
         <filefilter name="binaryFileTypePolicyFilter" desc="Filters for binary file policies">
             <filteritem type="filename" name="*.dpg" desc="dpg图片格式文件,用于展示示例"/>
@@ -34,7 +34,7 @@
             <filteritem type="filename" name="*.json5" desc="hvigor配置文件"/>
         </filefilter>
         <filefilter name="defaultFilter" desc="Files not to check">
-            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
+            <filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
     </filefilterlist>
 </oatconfig>
diff --git a/library/src/main/ets/components/imageknife/ImageKnifeComponent.ets b/library/src/main/ets/components/imageknife/ImageKnifeComponent.ets
index e1d0394..5a55812 100644
--- a/library/src/main/ets/components/imageknife/ImageKnifeComponent.ets
+++ b/library/src/main/ets/components/imageknife/ImageKnifeComponent.ets
@@ -36,7 +36,7 @@ export struct ImageKnifeComponent {
   private currentWidth: number = 0
   private currentHeight: number = 0
   // 定时器id
-  private gifTimerId: number = 0
+  private gifTimerId: number = -1
   // 完整gif播放时间
   private gifLoopDuration: number = 0
   private startGifLoopTime: number = 0