Bump hadoop-common in /plugin-unstructured-storage-util

Bumps hadoop-common from 2.7.1 to 3.2.3.

---
updated-dependencies:
- dependency-name: org.apache.hadoop:hadoop-common
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

core/src/main/java/com/alibaba/datax/core/Engine.java

@@ -73,7 +73,7 @@ public class Engine {
         boolean traceEnable = allConf.getBool(CoreConstant.DATAX_CORE_CONTAINER_TRACE_ENABLE, true);
         boolean perfReportEnable = allConf.getBool(CoreConstant.DATAX_CORE_REPORT_DATAX_PERFLOG, true);
 
-        //standlone模式的datax shell任务不进行汇报
+        //standalone模式的 datax shell任务不进行汇报
         if(instanceId == -1){
             perfReportEnable = false;
         }

plugin-unstructured-storage-util/pom.xml

@@ -12,7 +12,7 @@
 		供TxtFileReader/Writer, OSSReader/Writer ,FtpReader/Writer, HdfsReader/Writer使用。</description>
 	<packaging>jar</packaging>
 	<properties>
-		<hadoop.version>2.7.1</hadoop.version>
+		<hadoop.version>3.2.3</hadoop.version>
 	</properties>
 	<dependencies>
 		<dependency>

sqlserverwriter/doc/sqlserverwriter.md

@@ -127,7 +127,7 @@ SqlServerWriter 通过 DataX 框架获取 Reader 生成的协议数据，根据
 
 * **column**
 
-  * 描述：目的表需要写入数据的字段,字段之间用英文逗号分隔。例如: "column": ["id","name","age"]。如果要依次写入全部列，使用*表示, 例如: "column": ["*"]
+  * 描述：目的表需要写入数据的字段,字段之间用英文逗号分隔。例如: "column": ["id","name","age"]。如果要依次写入全部列，使用*表示, 例如: "column": ["\*"]
 
     		**column配置项必须指定，不能留空！**