diff --git a/dbms/src/Flash/Coprocessor/DAGStorageInterpreter.cpp b/dbms/src/Flash/Coprocessor/DAGStorageInterpreter.cpp
index cbd06804922..eb831ca2b2e 100644
--- a/dbms/src/Flash/Coprocessor/DAGStorageInterpreter.cpp
+++ b/dbms/src/Flash/Coprocessor/DAGStorageInterpreter.cpp
@@ -748,6 +748,7 @@ CoprocessorReaderPtr DAGStorageInterpreter::buildCoprocessorReader(const std::ve
             if (kv_store->getStoreMeta().labels().at(i).key() == "zone")
             {
                 store_zone_label = kv_store->getStoreMeta().labels().at(i).value();
+                break;
             }
         }
     }