diff --git a/doriswriter/doc/doriswriter.md b/doriswriter/doc/doriswriter.md
index 80b2229b..fbe6e4bb 100644
--- a/doriswriter/doc/doriswriter.md
+++ b/doriswriter/doc/doriswriter.md
@@ -157,6 +157,22 @@ DorisWriter 插件实现了写入数据到 Doris 主库的目的表的功能。
 
 	* 默认值：无 <br />
 
+* **maxBatchRows**
+
+	* 描述：单次StreamLoad导入的最大行数 <br />
+
+ 	* 必选：否 <br />
+
+	* 默认值：500000 (50W) <br />
+
+* **maxBatchSize**
+
+	* 描述：单次StreamLoad导入的最大字节数。 <br />
+
+ 	* 必选：否 <br />
+
+	* 默认值：104857600 (100M)
+
 * **loadProps**
 
 	* 描述：StreamLoad 的请求参数，详情参照StreamLoad介绍页面。 <br />
@@ -172,7 +188,8 @@ DorisWriter 插件实现了写入数据到 Doris 主库的目的表的功能。
 如需更改列分隔符， 则正确配置 `loadProps` 即可：
 ```json
 "loadProps": {
-    "column_separator": "\\x01"
+    "column_separator": "\\x01",
+    "row_delimiter": "\\x02"
 }
 ```
 
diff --git a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/manager/DorisStreamLoadVisitor.java b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/manager/DorisStreamLoadVisitor.java
index 7ebfced6..1598d8f4 100644
--- a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/manager/DorisStreamLoadVisitor.java
+++ b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/manager/DorisStreamLoadVisitor.java
@@ -3,10 +3,12 @@ package com.dorisdb.connector.datax.plugin.writer.doriswriter.manager;
 import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 
 import com.alibaba.fastjson.JSON;
 import com.dorisdb.connector.datax.plugin.writer.doriswriter.DorisWriterOptions;
+import com.dorisdb.connector.datax.plugin.writer.doriswriter.row.DorisDelimiterParser;
 
 import org.apache.commons.codec.binary.Base64;
 import org.apache.http.HttpEntity;
@@ -93,7 +95,12 @@ public class DorisStreamLoadVisitor {
 
     private byte[] joinRows(List<String> rows) {
         if (DorisWriterOptions.StreamLoadFormat.CSV.equals(writerOptions.getStreamLoadFormat())) {
-            return String.join("\n", rows).getBytes(StandardCharsets.UTF_8);
+            Map<String, Object> props = writerOptions.getLoadProps();
+            String lineDelimiter = "\n";
+            if (null != props && props.containsKey("row_delimiter")) {
+                lineDelimiter = DorisDelimiterParser.parse(String.valueOf(props.get("row_delimiter")), "\n");
+            }
+            return (String.join(lineDelimiter, rows) + lineDelimiter).getBytes(StandardCharsets.UTF_8);
         }
         if (DorisWriterOptions.StreamLoadFormat.JSON.equals(writerOptions.getStreamLoadFormat())) {
             return new StringBuilder("[").append(String.join(",", rows)).append("]").toString().getBytes(StandardCharsets.UTF_8);
diff --git a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisCsvSerializer.java b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisCsvSerializer.java
index 866c8d87..862e0b73 100644
--- a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisCsvSerializer.java
+++ b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisCsvSerializer.java
@@ -10,12 +10,10 @@ public class DorisCsvSerializer extends DorisBaseSerializer implements DorisISer
     
     private static final long serialVersionUID = 1L;
 
-    private final String HEX_STRING = "0123456789ABCDEF";
-
     private final String columnSeparator;
 
     public DorisCsvSerializer(String sp) {
-        this.columnSeparator = parseByteSeparator(sp);
+        this.columnSeparator = DorisDelimiterParser.parse(sp, "\t");
     }
 
     @Override
@@ -31,49 +29,4 @@ public class DorisCsvSerializer extends DorisBaseSerializer implements DorisISer
         return sb.toString();
     }
 
-    private String parseByteSeparator(String sp) {
-        if (Strings.isNullOrEmpty(sp)) {
-            // `\t` by default
-            return "\t";
-        }
-        if (!sp.toUpperCase().startsWith("\\X")) {
-            return sp;
-        }
-        String hexStr = sp.substring(2);
-        // check hex str
-        if (hexStr.isEmpty()) {
-            throw new RuntimeException("Failed to parse column_separator: `Hex str is empty`");
-        }
-        if (hexStr.length() % 2 != 0) {
-            throw new RuntimeException("Failed to parse column_separator: `Hex str length error`");
-        }
-        for (char hexChar : hexStr.toUpperCase().toCharArray()) {
-            if (HEX_STRING.indexOf(hexChar) == -1) {
-                throw new RuntimeException("Failed to parse column_separator: `Hex str format error`");
-            }
-        }
-        // transform to separator
-        StringWriter writer = new StringWriter();
-        for (byte b : hexStrToBytes(hexStr)) {
-            writer.append((char) b);
-        }
-        return writer.toString();
-    }
-
-    private byte[] hexStrToBytes(String hexStr) {
-        String upperHexStr = hexStr.toUpperCase();
-        int length = upperHexStr.length() / 2;
-        char[] hexChars = upperHexStr.toCharArray();
-        byte[] bytes = new byte[length];
-        for (int i = 0; i < length; i++) {
-            int pos = i * 2;
-            bytes[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
-        }
-        return bytes;
-    }
-
-    private byte charToByte(char c) {
-        return (byte) HEX_STRING.indexOf(c);
-    }
-    
 }
diff --git a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisDelimiterParser.java b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisDelimiterParser.java
new file mode 100644
index 00000000..3fd58fa5
--- /dev/null
+++ b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisDelimiterParser.java
@@ -0,0 +1,55 @@
+package com.dorisdb.connector.datax.plugin.writer.doriswriter.row;
+
+import java.io.StringWriter;
+
+import com.google.common.base.Strings;
+
+public class DorisDelimiterParser {
+
+    private static final String HEX_STRING = "0123456789ABCDEF";
+
+    public static String parse(String sp, String dSp) throws RuntimeException {
+        if (Strings.isNullOrEmpty(sp)) {
+            return dSp;
+        }
+        if (!sp.toUpperCase().startsWith("\\X")) {
+            return sp;
+        }
+        String hexStr = sp.substring(2);
+        // check hex str
+        if (hexStr.isEmpty()) {
+            throw new RuntimeException("Failed to parse delimiter: `Hex str is empty`");
+        }
+        if (hexStr.length() % 2 != 0) {
+            throw new RuntimeException("Failed to parse delimiter: `Hex str length error`");
+        }
+        for (char hexChar : hexStr.toUpperCase().toCharArray()) {
+            if (HEX_STRING.indexOf(hexChar) == -1) {
+                throw new RuntimeException("Failed to parse delimiter: `Hex str format error`");
+            }
+        }
+        // transform to separator
+        StringWriter writer = new StringWriter();
+        for (byte b : hexStrToBytes(hexStr)) {
+            writer.append((char) b);
+        }
+        return writer.toString();
+    }
+
+    private static byte[] hexStrToBytes(String hexStr) {
+        String upperHexStr = hexStr.toUpperCase();
+        int length = upperHexStr.length() / 2;
+        char[] hexChars = upperHexStr.toCharArray();
+        byte[] bytes = new byte[length];
+        for (int i = 0; i < length; i++) {
+            int pos = i * 2;
+            bytes[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
+        }
+        return bytes;
+    }
+
+    private static byte charToByte(char c) {
+        return (byte) HEX_STRING.indexOf(c);
+    }
+    
+}