diff --git a/base-system-server/src/main/resources/mapper/system/SysSignMapper.xml b/base-system-server/src/main/resources/mapper/system/SysSignMapper.xml
index c2881da..f44b39c 100644
--- a/base-system-server/src/main/resources/mapper/system/SysSignMapper.xml
+++ b/base-system-server/src/main/resources/mapper/system/SysSignMapper.xml
@@ -8,7 +8,7 @@
         (#{userId},now(),#{signAmount})
     </insert>
     <update id="updateSingAmountByUserId">
-        update tb_sign set sing_amount=0 where user_id=#{userId} and sign_time=#{signTime}
+        update tb_sign set sign_amount=#{signAmount} where user_id=#{userId} and sign_time=#{signTime}
     </update>