diff --git a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
index eff467723b0886180eaeaf35416c44810487d325..14a8848b20d4011db59fbeb8525cd0fbde69c648 100644
--- a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
+++ b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
@@ -1747,8 +1747,7 @@ public class DefaultMessageStore implements MessageStore {
             this.manualDeleteFileSeveralTimes = manualDeleteFileSeveralTimes;
         }
         public boolean isSpaceFull() {
-            String storePathPhysic = DefaultMessageStore.this.getMessageStoreConfig().getStorePathCommitLog();
-            double physicRatio = UtilAll.getDiskPartitionSpaceUsedPercent(storePathPhysic);
+            double physicRatio = UtilAll.getDiskPartitionSpaceUsedPercent(getStorePathPhysic());
             double ratio = DefaultMessageStore.this.getMessageStoreConfig().getDiskMaxUsedSpaceRatio() / 100.0;
             if (physicRatio > ratio) {
                 DefaultMessageStore.log.info("physic disk of commitLog used: " + physicRatio);