diff --git a/ability/DataAbility/entry/src/main/java/ohos/samples/dataability/slice/MainAbilitySlice.java b/ability/DataAbility/entry/src/main/java/ohos/samples/dataability/slice/MainAbilitySlice.java
index e9cdd6ada15dab9c5aad8fd537b049d9d91dacd9..77cb7a696fa1af58d6f8d46c000721e3c4133cde 100644
--- a/ability/DataAbility/entry/src/main/java/ohos/samples/dataability/slice/MainAbilitySlice.java
+++ b/ability/DataAbility/entry/src/main/java/ohos/samples/dataability/slice/MainAbilitySlice.java
@@ -178,6 +178,7 @@ public class MainAbilitySlice extends AbilitySlice {
             int userId = resultSet.getInt(userIndex);
             appendStr.append(userId).append("   ").append(name).append("   ").append(age).append(System.lineSeparator());
         } while (resultSet.goToNextRow() && queryCount < allowQueryMaxCount);
+        resultSet.close();
         HiLog.info(LABEL_LOG, " queryCount : " + queryCount);
         HiLog.info(LABEL_LOG, " appendStr : " + appendStr.toString());
         getUITaskDispatcher().asyncDispatch(() -> {