update MD by dispatch event pingcap/docs-cn release-8.1

markdown-pages/zh/tidb/release-8.1/non-transactional-dml.md

@@ -326,7 +326,7 @@ batch-dml 是一种在 DML 语句执行期间将一个事务拆成多个事务
 ```sql
 BATCH ON test.t2.id LIMIT 1 
 INSERT INTO t 
-SELECT t2.id, t2.v, t3. FROM t2, t3 WHERE t2.id = t3.id
+SELECT t2.id, t2.v, t3.id FROM t2, t3 WHERE t2.id = t3.id
 ```
 
 ```sql
@@ -338,15 +338,15 @@ SELECT t2.id, t2.v, t3. FROM t2, t3 WHERE t2.id = t3.id
 ```sql
 BATCH ON test.t2.id LIMIT 1 
 DRY RUN QUERY INSERT INTO t 
-SELECT t2.id, t2.v, t3. FROM t2, t3 WHERE t2.id = t3.id
+SELECT t2.id, t2.v, t3.id FROM t2, t3 WHERE t2.id = t3.id
 ```
 
 要避免该错误，可以尝试将 `WHERE` 子句中涉及其它表的条件移动到 `JOIN` 的 `ON` 条件中。例如：
 
 ```sql
 BATCH ON test.t2.id LIMIT 1 
 INSERT INTO t 
-SELECT t2.id, t2.v, t3. FROM t2 JOIN t3 ON t2.id=t3.id
+SELECT t2.id, t2.v, t3.id FROM t2 JOIN t3 ON t2.id = t3.id
 ```
 
 ```