diff --git a/src/main/java/mapper/TransactionRecordMapper.xml b/src/main/java/mapper/TransactionRecordMapper.xml
index f1b46fa..effeafe 100644
--- a/src/main/java/mapper/TransactionRecordMapper.xml
+++ b/src/main/java/mapper/TransactionRecordMapper.xml
@@ -16,7 +16,7 @@
update forest_bank_account set account_balance = account_balance + #{money} where bank_account = #{toBankAccount};