diff --git a/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/BackendEntryIterator.java b/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/BackendEntryIterator.java
index 3dfceb116c..151b7fa8a7 100644
--- a/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/BackendEntryIterator.java
+++ b/hugegraph-core/src/main/java/com/baidu/hugegraph/backend/store/BackendEntryIterator.java
@@ -123,7 +123,7 @@ protected final boolean reachLimit(long count) {
         } catch (Throwable e) {
             try {
                 this.close();
-            } catch (Exception ex) {
+            } catch (Throwable ex) {
                 LOG.warn("Failed to close backend entry iterator for interrupted query", ex);
             }
             throw e;