diff --git a/lms/nladmin-system/pom.xml b/lms/nladmin-system/pom.xml
index e7e51c413..4b28ce324 100644
--- a/lms/nladmin-system/pom.xml
+++ b/lms/nladmin-system/pom.xml
@@ -207,7 +207,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid</artifactId>
-            <version>1.1.20</version>
+            <version>1.1.22</version>
         </dependency>
         <dependency>
             <groupId>net.dreamlu</groupId>
diff --git a/lms/nladmin-system/src/main/resources/config/application-dev.yml b/lms/nladmin-system/src/main/resources/config/application-dev.yml
index 781f5373c..69a5e36b3 100644
--- a/lms/nladmin-system/src/main/resources/config/application-dev.yml
+++ b/lms/nladmin-system/src/main/resources/config/application-dev.yml
@@ -23,6 +23,8 @@ spring:
       time-between-eviction-runs-millis: 60000
       # 连接在池中最小生存的时间
       min-evictable-idle-time-millis: 300000
+      # 连接在池中最大生存的时间
+      max-evictable-idle-time-millis: 600000
       # 指明连接是否被空闲连接回收器(如果有)进行检验.如果检测失败,则连接将被从池中去除
       test-while-idle: true
       # 指明是否在从池中取出连接前进行检验,如果检验失败, 则从池中去除连接并尝试取出另一个