diff --git a/docs/en_US/architecture-design.md b/docs/en_US/architecture-design.md
index e1c8f01f34..0587993d05 100644
--- a/docs/en_US/architecture-design.md
+++ b/docs/en_US/architecture-design.md
@@ -266,7 +266,7 @@ In the early scheduling design, if there is no priority design and fair scheduli
  /**
   * task log appender
   */
- Public class TaskLogAppender extends FileAppender<ILoggingEvent {
+ Public class TaskLogAppender extends FileAppender<ILoggingEvent> {
  
      ...
 
@@ -297,7 +297,7 @@ Generate a log in the form of /process definition id/process instance id/task in
  /**
  * task log filter
  */
-Public class TaskLogFilter extends Filter<ILoggingEvent {
+Public class TaskLogFilter extends Filter<ILoggingEvent> {
 
     @Override
     Public FilterReply decide(ILoggingEvent event) {
@@ -313,4 +313,4 @@ Public class TaskLogFilter extends Filter<ILoggingEvent {
 
 ### summary
 
-Starting from the scheduling, this paper introduces the architecture principle and implementation ideas of the big data distributed workflow scheduling system-EasyScheduler. To be continued
\ No newline at end of file
+Starting from the scheduling, this paper introduces the architecture principle and implementation ideas of the big data distributed workflow scheduling system-EasyScheduler. To be continued
diff --git a/docs/zh_CN/系统架构设计.md b/docs/zh_CN/系统架构设计.md
index 8c3ef4e053..61e522b6cd 100644
--- a/docs/zh_CN/系统架构设计.md
+++ b/docs/zh_CN/系统架构设计.md
@@ -253,7 +253,7 @@ Master Scheduler线程一旦发现任务实例为” 需要容错”状态，则
  /**
   * task log appender
   */
- public class TaskLogAppender extends FileAppender<ILoggingEvent {
+ public class TaskLogAppender extends FileAppender<ILoggingEvent> {
  
      ...
 
@@ -286,7 +286,7 @@ Master Scheduler线程一旦发现任务实例为” 需要容错”状态，则
  /**
  *  task log filter
  */
-public class TaskLogFilter extends Filter<ILoggingEvent {
+public class TaskLogFilter extends Filter<ILoggingEvent> {
 
     @Override
     public FilterReply decide(ILoggingEvent event) {