diff --git a/docs/docs/zh/development/architecture-design.md b/docs/docs/zh/development/architecture-design.md
index 13d0563cf0..35bee1a1da 100644
--- a/docs/docs/zh/development/architecture-design.md
+++ b/docs/docs/zh/development/architecture-design.md
@@ -206,7 +206,7 @@ Master Scheduler线程一旦发现任务实例为” 需要容错”状态，则
 
 - 一种是业务节点，这种节点都对应一个实际的脚本或者处理语句，比如Shell节点，MR节点、Spark节点、依赖节点等。
 
-- 还有一种是逻辑节点，这种节点不做实际的脚本或语句处理，只是整个流程流转的逻辑处理，比如子流程节等。
+- 还有一种是逻辑节点，这种节点不做实际的脚本或语句处理，只是整个流程流转的逻辑处理，比如子流程节点等。
 
 每一个**业务节点**都可以配置失败重试的次数，当该任务节点失败，会自动重试，直到成功或者超过配置的重试次数。**逻辑节点**不支持失败重试。但是逻辑节点里的任务支持重试。
 
@@ -299,4 +299,3 @@ public class TaskLogFilter extends Filter<ILoggingEvent> {
 ### 总结
 本文从调度出发，初步介绍了大数据分布式工作流调度系统--DolphinScheduler的架构原理及实现思路。未完待续
 
-
diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java
index 63ebc69536..473acf3f39 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java
@@ -294,7 +294,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
     }
 
     /**
-     * check if the current process has subprocesses and all subprocesses are valid
+     * check whether the current process has subprocesses and validate all subprocesses
      *
      * @param processDefinition
      * @return check result
@@ -562,7 +562,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
     }
 
     /**
-     * insert command, used in the implementation of the page, re run, recovery (pause / failure) execution
+     * insert command, used in the implementation of the page, rerun, recovery (pause / failure) execution
      *
      * @param loginUser             login user
      * @param instanceId            instance id
@@ -607,7 +607,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
     }
 
     /**
-     * check if sub processes are offline before starting process definition
+     * check whether sub processes are offline before starting process definition
      *
      * @param processDefinitionCode process definition code
      * @return check result code
@@ -724,8 +724,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
                 return createComplementCommandList(schedule, runMode, command, expectedParallelismNumber,
                     complementDependentMode);
             } catch (CronParseException cronParseException) {
-                // this just make compile happy, since we already validate the cron before
-                logger.error("Parse cron error", cronParseException);
+                // We catch the exception here just to make compiler happy, since we have already validated the schedule cron expression before
                 return 0;
             }
         } else {
@@ -940,7 +939,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
 
     /**
      * @param schedule
-     * @return check error return 0 otherwish 1
+     * @return check error return 0, otherwise 1
      */
     private boolean isValidateScheduleTime(String schedule) {
         Map<String, String> scheduleResult = JSONUtils.toMap(schedule);