diff --git a/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java b/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
index f9e9cddda5..6803f699ea 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
@@ -330,7 +330,7 @@ public class SystemHandler extends AlterHandler {
                             int backendNum = tagAvailBackendNums.getOrDefault(tag, 0);
                             if (replicaNum > backendNum) {
                                 throw new DdlException("After decommission, partition " + partition.getName()
-                                        + " of table " + db.getName() + "." + tbl.getName()
+                                        + " of table " + db.getFullName() + "." + tbl.getName()
                                         + " 's replication allocation { " + replicaAlloc
                                         + " } > available backend num " + backendNum + " on tag " + tag
                                         + ", otherwise need to decrease the partition's replication num.");