diff --git a/tidb/src/tidb/bank.clj b/tidb/src/tidb/bank.clj
index 56c5f7677..b6c5fd21f 100644
--- a/tidb/src/tidb/bank.clj
+++ b/tidb/src/tidb/bank.clj
@@ -27,8 +27,7 @@
 (defn insert-bank-record! [conn {:keys [from to amount]}]
   (c/execute! conn ["insert into records(account_id, amount) values (?, ?), (?, ?)"
                     from (- amount)
-                    to amount]
-              {:transaction? false}))
+                    to amount]))
 
 (defn single-stmt-transfer! [conn test op]
   (let [{:keys [from to amount]} (:value op)]
@@ -82,9 +81,11 @@
                                (let [{:keys [from to amount]} (:value op)]
                                  (insert-bank-record! c {:from from :to to :amount amount})
                                  op))]
-                    ; the :txn-info from fk-op is attached as :fk-txn-info
-                    (cond-> op
-                      (:txn-info fk-op) (assoc :fk-txn-info (:txn-info fk-op)))) 
+                   ; set the auto-commit back to true after the foreign key txn
+                   (c/set-auto-commit! conn true)
+                   ; the :txn-info from fk-op is attached as :fk-txn-info
+                   (cond-> op
+                     (:txn-info fk-op) (assoc :fk-txn-info (:txn-info fk-op))))
                  op)]
 
         (with-txn op [c conn {:isolation (util/isolation-level test)