Update architecture-design.md (#960)

* Update 系统架构设计.md

* Update architecture-design.md

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) {

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) {