diff --git a/oceanbasev10reader/src/main/java/com/alibaba/datax/plugin/reader/oceanbasev10reader/ext/ReaderTask.java b/oceanbasev10reader/src/main/java/com/alibaba/datax/plugin/reader/oceanbasev10reader/ext/ReaderTask.java
index 1376f113..a43dcebd 100644
--- a/oceanbasev10reader/src/main/java/com/alibaba/datax/plugin/reader/oceanbasev10reader/ext/ReaderTask.java
+++ b/oceanbasev10reader/src/main/java/com/alibaba/datax/plugin/reader/oceanbasev10reader/ext/ReaderTask.java
@@ -63,7 +63,7 @@ public class ReaderTask extends CommonRdbmsReader.Task {
         }
 
         jdbcUrl = jdbcUrl.replace("jdbc:mysql:", "jdbc:oceanbase:") + "&socketTimeout=1800000&connectTimeout=60000"; //socketTimeout 半个小时
-        if (ObReaderUtils.compatibleMode == ObReaderUtils.OB_COMPATIBLE_MODE_ORACLE) {
+        if (ObReaderUtils.compatibleMode.equals(ObReaderUtils.OB_COMPATIBLE_MODE_ORACLE)) {
             compatibleMode = ObReaderUtils.OB_COMPATIBLE_MODE_ORACLE;
         }
         LOG.info("this is ob1_0 jdbc url. user=" + username + " :url=" + jdbcUrl);
diff --git a/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/task/ConcurrentTableWriterTask.java b/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/task/ConcurrentTableWriterTask.java
index bed0598d..bd34b4a6 100644
--- a/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/task/ConcurrentTableWriterTask.java
+++ b/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/task/ConcurrentTableWriterTask.java
@@ -294,31 +294,14 @@ public class ConcurrentTableWriterTask extends CommonRdbmsWriter.Task {
 	}
 
 	private void addLeftRecords() {
+		//不需要刷新Cache，已经是最后一批数据了
 		for (List<Record> groupValues : groupInsertValues.values()) {
 			if (groupValues.size() > 0 ) {
-				int retry = 0;
-				while (true) {
-					try {
-						concurrentWriter.addBatchRecords(groupValues);
-						break;
-					} catch (InterruptedException e) {
-						retry++;
-						LOG.info("Concurrent table writer is interrupted, retry {}", retry);
-					}
-				}
+				addRecordsToWriteQueue(groupValues);
 			}
 		}
 		if (unknownPartRecords.size() > 0) {
-			int retry = 0;
-			while (true) {
-				try {
-					concurrentWriter.addBatchRecords(unknownPartRecords);
-					break;
-				} catch (InterruptedException e) {
-					retry++;
-					LOG.info("Concurrent table writer is interrupted, retry {}", retry);
-				}
-			}
+			addRecordsToWriteQueue(unknownPartRecords);
 		}
 	}
 	
@@ -344,43 +327,40 @@ public class ConcurrentTableWriterTask extends CommonRdbmsWriter.Task {
 			groupValues.add(record);
 			if (groupValues.size() >= batchSize) {
 				int i = 0;
-				while (true) {
-					if (i > 0) {
-						LOG.info("retry add batch record the {} times", i);
-					}
-					try {
-						concurrentWriter.addBatchRecords(groupValues);
-						printEveryTime();
-						break;
-					} catch (InterruptedException e) {
-						LOG.info("Concurrent table writer is interrupted");
-					}
-				}
-				groupValues = new ArrayList<Record>(batchSize);
+				groupValues =addRecordsToWriteQueue(groupValues);
 				groupInsertValues.put(partId, groupValues);
 			}
 		} else {
 			LOG.debug("add unknown part record {}", record);
-
 			unknownPartRecords.add(record);
-			int i = 0;
 			if (unknownPartRecords.size() > batchSize) {
-				while (true) {
-					if (i > 0) {
-						LOG.info("retry add batch record the {} times", i);
-					}
-					try {
-						concurrentWriter.addBatchRecords(unknownPartRecords);
-						break;
-					} catch (InterruptedException e) {
-						LOG.info("Concurrent table writer is interrupted");
-					}
-				}
+				unknownPartRecords=addRecordsToWriteQueue(unknownPartRecords);
 			}
 
 		}
 	}
 
+	/**
+	 *
+	 * @param records
+	 * @return 返回一个新的Cache用于存储接下来的数据
+	 */
+	private List<Record> addRecordsToWriteQueue(List<Record> records) {
+		int i = 0;
+		while (true) {
+			if (i > 0) {
+				LOG.info("retry add batch record the {} times", i);
+			}
+			try {
+				concurrentWriter.addBatchRecords(records);
+				break;
+			} catch (InterruptedException e) {
+				i++;
+				LOG.info("Concurrent table writer is interrupted");
+			}
+		}
+		return new ArrayList<Record>(batchSize);
+	}
 	private void checkMemStore() {
 		Connection checkConn = checkConnHolder.reconnect();
 		long now = System.currentTimeMillis();
diff --git a/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/util/ObWriterUtils.java b/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/util/ObWriterUtils.java
index f4c4f439..ff1648a1 100644
--- a/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/util/ObWriterUtils.java
+++ b/oceanbasev10writer/src/main/java/com/alibaba/datax/plugin/writer/oceanbasev10writer/util/ObWriterUtils.java
@@ -25,7 +25,6 @@ public class ObWriterUtils {
 		return new HashSet(Arrays.asList(keywords.split(",")));
 	}
 
-	//java中的String的坑
 	public static String escapeDatabaseKeywords(String keyword) {
 		if (databaseKeywords == null) {
 			if (isOracleMode()) {
@@ -103,11 +102,6 @@ public class ObWriterUtils {
 	}
 
 	private static int[] getColumnIndex(List<String> columnsInIndex, List<String> allColumns) {
-		/**
-		 * JDK8的stream模型：将一种数据结构转化成通用的数据模型，并可在该模型上进行操作
-		 * map:接受一个函数引用，用于操作元素
-		 * collect：接受一个Collectors方法，用于将中间数据模型转化成目标数据结构
-		 */
 		for (int i = 0; i < allColumns.size(); i++) {
 			if (!ObWriterUtils.isEscapeMode(allColumns.get(i))) {
 				allColumns.set(i, allColumns.get(i).toUpperCase());
@@ -167,7 +161,7 @@ public class ObWriterUtils {
 				String columnName = rs.getString("Column_name");
 				columnName=escapeDatabaseKeywords(columnName);
 				if(!ObWriterUtils.isEscapeMode(columnName)){
-					columnName=columnName.toUpperCase();
+					columnName = columnName.toUpperCase();
 				}
 				List<String> s = uniqueKeys.get(keyName);
 				if (s == null) {