diff --git a/linkis-computation-governance/linkis-manager/linkis-manager-common/src/main/java/org/apache/linkis/manager/common/entity/persistence/PersistenceLabel.java b/linkis-computation-governance/linkis-manager/linkis-manager-common/src/main/java/org/apache/linkis/manager/common/entity/persistence/PersistenceLabel.java
index 1e2a645e29..9343668290 100644
--- a/linkis-computation-governance/linkis-manager/linkis-manager-common/src/main/java/org/apache/linkis/manager/common/entity/persistence/PersistenceLabel.java
+++ b/linkis-computation-governance/linkis-manager/linkis-manager-common/src/main/java/org/apache/linkis/manager/common/entity/persistence/PersistenceLabel.java
@@ -111,7 +111,11 @@ public boolean equals(Object o) {
   @Override
   public int hashCode() {
     int result = this.getLabelKey().hashCode();
-    result = 31 * result + this.stringValue.hashCode();
+    String thisStringValue = getStringValue();
+    if (null == thisStringValue) {
+      return result;
+    }
+    result = 31 * result + thisStringValue.hashCode();
     return result;
   }
 }
diff --git a/pom.xml b/pom.xml
index 4e0708a5bf..86b8263ae3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -131,7 +131,7 @@
     <springfox.version>2.10.5</springfox.version>
     <xstream.core.version>1.4.20</xstream.core.version>
     <reflections.version>0.9.12</reflections.version>
-    <mybatis-plus.boot.starter.version>3.4.1</mybatis-plus.boot.starter.version>
+    <mybatis-plus.boot.starter.version>3.5.7</mybatis-plus.boot.starter.version>
     <mysql.connector.version>8.0.28</mysql.connector.version>
     <druid.version>1.1.22</druid.version>
     <javassist.version>3.27.0-GA</javassist.version>