diff --git a/README.md b/README.md
index 62e8fa8f..c6ea7baf 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ PowerJob 的设计目标为企业级的分布式任务调度平台，即成为
 | 日志白屏化     | 不支持                   | 支持                                     | 不支持                                            | **支持**                                                     |
 | 调度方式及性能 | 基于数据库锁，有性能瓶颈 | 基于数据库锁，有性能瓶颈                 | 不详                                              | **无锁化设计，性能强劲无上限**                               |
 | 报警监控       | 无                       | 邮件                                     | 短信                                              | **邮件，提供接口允许开发者扩展**                             |
-| 系统依赖       | JDBC支持的关系型数据库（MySQL、Oracle...）                    | MySQL                                    | 人民币（公测期间免费，哎，帮打个广告吧）          | **任意Spring Data Jpa支持的关系型数据库（MySQL、Oracle...）** |
+| 系统依赖       | JDBC支持的关系型数据库（MySQL、Oracle...）                    | MySQL                                    | 人民币        | **任意Spring Data Jpa支持的关系型数据库（MySQL、Oracle...）** |
 | DAG工作流      | 不支持                   | 不支持                                   | 支持                                              | **支持**                                   |
 
 
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/SwaggerConfig.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/SwaggerConfig.java
index eebbb62c..c574ca59 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/SwaggerConfig.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/SwaggerConfig.java
@@ -24,11 +24,11 @@ public class SwaggerConfig {
     public Docket createRestApi() {
         // apiInfo()用来创建该Api的基本信息（这些基本信息会展现在文档页面中
         ApiInfo apiInfo = new ApiInfoBuilder()
-                .title("OhMyScheduler")
+                .title("PowerJob")
                 .description("Distributed scheduling and computing framework.")
                 .license("Apache Licence 2")
-                .termsOfServiceUrl("https://github.com/KFCFans/OhMyScheduler")
-                .version("2.0.0")
+                .termsOfServiceUrl("https://github.com/KFCFans/PowerJob")
+                .version("3.1.3")
                 .build();
 
         return new Docket(DocumentationType.SWAGGER_2)
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/ThreadPoolConfig.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/ThreadPoolConfig.java
index fb784a0e..f309233d 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/ThreadPoolConfig.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/config/ThreadPoolConfig.java
@@ -14,6 +14,7 @@ import java.util.concurrent.*;
  * 公用线程池配置
  * omsTimingPool：用于执行定时任务的线程池
  * omsCommonPool：用于执行普通任务的线程池
+ * omsCommonPool：用于执行后台任务的线程池，这类任务对时间不敏感，慢慢执行细水长流即可
  * taskScheduler：用于定时调度的线程池
  *
  * @author tjq
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/persistence/core/repository/JobInfoRepository.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/persistence/core/repository/JobInfoRepository.java
index 08ae7967..3dbd2254 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/persistence/core/repository/JobInfoRepository.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/persistence/core/repository/JobInfoRepository.java
@@ -30,6 +30,6 @@ public interface JobInfoRepository extends JpaRepository<JobInfoDO, Long> {
     // 校验工作流包含的任务
     long countByAppIdAndStatusAndIdIn(Long appId, int status, List<Long> jobIds);
 
-    long countByAppId(long appId);
+    long countByAppIdAndStatusNot(long appId, int status);
 
 }
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/web/controller/SystemInfoController.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/web/controller/SystemInfoController.java
index 1a7508ed..86a5be65 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/web/controller/SystemInfoController.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/web/controller/SystemInfoController.java
@@ -11,6 +11,7 @@ import com.github.kfcfans.powerjob.common.response.ResultDTO;
 import com.github.kfcfans.powerjob.common.utils.JsonUtils;
 import com.github.kfcfans.powerjob.server.akka.OhMyServer;
 import com.github.kfcfans.powerjob.server.akka.requests.FriendQueryWorkerClusterStatusReq;
+import com.github.kfcfans.powerjob.server.common.constans.SwitchableStatus;
 import com.github.kfcfans.powerjob.server.persistence.core.model.AppInfoDO;
 import com.github.kfcfans.powerjob.server.persistence.core.repository.AppInfoRepository;
 import com.github.kfcfans.powerjob.server.persistence.core.repository.InstanceInfoRepository;
@@ -98,7 +99,7 @@ public class SystemInfoController {
         SystemOverviewVO overview = new SystemOverviewVO();
 
         // 总任务数量
-        overview.setJobCount(jobInfoRepository.countByAppId(appId));
+        overview.setJobCount(jobInfoRepository.countByAppIdAndStatusNot(appId, SwitchableStatus.DELETED.getV()));
         // 运行任务数
         overview.setRunningInstanceCount(instanceInfoRepository.countByAppIdAndStatus(appId, InstanceStatus.RUNNING.getV()));
         // 近期失败任务数（24H内）