diff --git a/kafka-manager-common/src/main/java/com/xiaojukeji/kafka/manager/common/entity/ResultStatus.java b/kafka-manager-common/src/main/java/com/xiaojukeji/kafka/manager/common/entity/ResultStatus.java
index 454a687f..0f8aebd6 100644
--- a/kafka-manager-common/src/main/java/com/xiaojukeji/kafka/manager/common/entity/ResultStatus.java
+++ b/kafka-manager-common/src/main/java/com/xiaojukeji/kafka/manager/common/entity/ResultStatus.java
@@ -25,6 +25,9 @@ public enum ResultStatus {
     CHANGE_ZOOKEEPER_FORBIDDEN(1405, "change zookeeper forbidden"),
 
 
+    APP_OFFLINE_FORBIDDEN(1406, "先下线topic，才能下线应用～"),
+
+
     TOPIC_OPERATION_PARAM_NULL_POINTER(1450, "参数错误"),
     TOPIC_OPERATION_PARTITION_NUM_ILLEGAL(1451, "分区数错误"),
     TOPIC_OPERATION_BROKER_NUM_NOT_ENOUGH(1452, "Broker数不足错误"),
diff --git a/kafka-manager-extends/kafka-manager-bpm/src/main/java/com/xiaojukeji/kafka/manager/bpm/order/impl/DeleteAppOrder.java b/kafka-manager-extends/kafka-manager-bpm/src/main/java/com/xiaojukeji/kafka/manager/bpm/order/impl/DeleteAppOrder.java
index 44aa9a0e..6127abc2 100644
--- a/kafka-manager-extends/kafka-manager-bpm/src/main/java/com/xiaojukeji/kafka/manager/bpm/order/impl/DeleteAppOrder.java
+++ b/kafka-manager-extends/kafka-manager-bpm/src/main/java/com/xiaojukeji/kafka/manager/bpm/order/impl/DeleteAppOrder.java
@@ -95,7 +95,7 @@ public class DeleteAppOrder extends AbstractAppOrder {
         // 判断app是否对topic有权限
         List<AuthorityDO> authorityList = authorityService.getAuthority(orderAppExtension.getAppId());
         if (!ValidateUtils.isEmptyList(authorityList)) {
-            return ResultStatus.OPERATION_FORBIDDEN;
+            return ResultStatus.APP_OFFLINE_FORBIDDEN;
         }
         if (appService.deleteApp(appDO, userName) > 0) {
             return ResultStatus.SUCCESS;
diff --git a/kafka-manager-web/src/main/resources/application.yml b/kafka-manager-web/src/main/resources/application.yml
index 1c6614e2..58ad509f 100644
--- a/kafka-manager-web/src/main/resources/application.yml
+++ b/kafka-manager-web/src/main/resources/application.yml
@@ -14,7 +14,7 @@ spring:
       jdbc-url: jdbc:mysql://127.0.0.1:3306/logi_kafka_manager?characterEncoding=UTF-8&useSSL=false&serverTimezone=GMT%2B8
       username: admin
       password: admin
-      driver-class-name: com.mysql.jdbc.Driver
+      driver-class-name: com.mysql.cj.jdbc.Driver
   main:
     allow-bean-definition-overriding: true
 
diff --git a/pom.xml b/pom.xml
index d4165a85..6c9d117f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -180,7 +180,7 @@
             <dependency>
                 <groupId>mysql</groupId>
                 <artifactId>mysql-connector-java</artifactId>
-                <version>5.1.41</version>
+                <version>8.0.11</version>
             </dependency>
 
             <dependency>