解决采购单明细无法保存的问题

data-common/src/main/java/com/bailuntec/mapper/DcBasePurchaseDetailsMapper.xml

@@ -541,7 +541,7 @@
         #{amountExpress,jdbcType=DECIMAL},
       </if>
       <if test="createusername != null">
-        #{createUsername,jdbcType=VARCHAR},
+        #{createusername,jdbcType=VARCHAR},
     </if>
     </trim>
   </insert>