diff --git a/src/main/java/com/sina/bip/hangout/outputs/Clickhouse.java b/src/main/java/com/sina/bip/hangout/outputs/Clickhouse.java
index 09c8477..6d58ae1 100644
--- a/src/main/java/com/sina/bip/hangout/outputs/Clickhouse.java
+++ b/src/main/java/com/sina/bip/hangout/outputs/Clickhouse.java
@@ -22,6 +22,7 @@ public class Clickhouse extends BaseOutput{
     private String table;
     private String jdbcLink;
     private List<String> fields;
+    private List<String> replace_fields = new ArrayList<String>();
     private int bulkSize;
     private String preSql = initSql();
     private List<Map> events;
@@ -63,8 +64,15 @@ protected void prepare() {
             System.out.println("fields must be included in config");
         }
 
+        if(this.config.containsKey("replace_fields")) {
+            this.replace_fields = (List<String>) this.config.get("replace_fields");
+        }
         this.jdbcLink = String.format("jdbc:clickhouse://%s/%s", this.host, this.database);
-        ClickHouseDataSource dataSource = new ClickHouseDataSource(this.jdbcLink);
+
+        // ClickHouseDataSource 不支持逗号","分割的多个节点
+
+        String databaseSource = String.format("jdbc:clickhouse://%s/%s", this.host.split(",")[0], this.database);
+        ClickHouseDataSource dataSource = new ClickHouseDataSource(databaseSource);
         try {
             this.schema = ClickhouseUtils.getSchema(dataSource, this.table);
         } catch (SQLException e) {
@@ -101,13 +109,17 @@ protected void bulkInsert(Map event) throws Exception{
                     if (e.containsKey(field)) {
                         if (e.get(field) instanceof String) {
                             String fieldValue = e.get(field).toString();
-                            if (!(fieldValue.indexOf("'") > 0)){
-                                value += "'" + e.get(field) + "'";
+                            if (replace_fields.contains(field)) {
+                                if (!(fieldValue.indexOf("'") > 0)){
+                                    value += "'" + e.get(field) + "'";
+                                } else {
+                                    if (fieldValue.indexOf("\\'") > 0)
+                                        value += "'" + fieldValue.replace("'", "\\'").replace("\\\\'", "\\\\\\'") + "'";
+                                    else
+                                        value += "'" + fieldValue.replace("'", "\\'") + "'";
+                                }
                             } else {
-                                if (fieldValue.indexOf("\\'") > 0)
-                                    value += "'" + fieldValue.replace("'", "\\'").replace("\\\\'", "\\\\\\'") + "'";
-                                else
-                                    value += "'" + fieldValue.replace("'", "\\'") + "'";
+                                value += "'" + fieldValue + "'";
                             }
                         } else {
                             if (e.get(field) == null){
@@ -127,8 +139,7 @@ protected void bulkInsert(Map event) throws Exception{
                 sqls.append(value);
             }
             ClickHouseProperties properties = new ClickHouseProperties();
-            String jdbcLink = String.format("jdbc:clickhouse://%s/%s", this.host, this.database);
-            BalancedClickhouseDataSource balanced = new BalancedClickhouseDataSource(jdbcLink, properties);
+            BalancedClickhouseDataSource balanced = new BalancedClickhouseDataSource(this.jdbcLink, properties);
 
             Connection conn = balanced.getConnection();
             try {
diff --git a/src/test/java/TestMain.java b/src/test/java/TestMain.java
deleted file mode 100644
index 40c4e46..0000000
--- a/src/test/java/TestMain.java
+++ /dev/null
@@ -1,16 +0,0 @@
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Created by huochen on 2017/9/26.
- */
-public class TestMain {
-    public static void main(String args[]) {
-
-        String src = "a='b+\\'+c'";
-        System.out.println(src);
-        System.out.println(src.replace("'", "\\'"));
-        System.out.println(src.replace("'", "\\'").replace("\\\\'", "\\\\\\'"));
-    }
-}
diff --git a/src/test/java/com/sina/bip/hangout/outputs/BlancedClickhouseDataSourceTest.java b/src/test/java/com/sina/bip/hangout/outputs/BlancedClickhouseDataSourceTest.java
new file mode 100644
index 0000000..428cab8
--- /dev/null
+++ b/src/test/java/com/sina/bip/hangout/outputs/BlancedClickhouseDataSourceTest.java
@@ -0,0 +1,43 @@
+package com.sina.bip.hangout.outputs;
+
+import ru.yandex.clickhouse.BalancedClickhouseDataSource;
+import ru.yandex.clickhouse.settings.ClickHouseProperties;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static ru.yandex.clickhouse.ClickhouseJdbcUrlParser.JDBC_CLICKHOUSE_PREFIX;
+
+public class BlancedClickhouseDataSourceTest {
+    public static void main(String args[]) throws Exception {
+
+        String h = "localhost:8123";
+        String db = "test";
+        ClickHouseProperties properties = new ClickHouseProperties();
+        //String jdbcLink = String.format("jdbc:clickhouse://%s/%s", h, db);
+        String jdbcLink = "jdbc:clickhouse://10.19.0.120:8123,10.13.56.170:8123,10.13.0.235:8123,10.13.0.232:8123/test";
+
+        Pattern URL_TEMPLATE = Pattern.compile(JDBC_CLICKHOUSE_PREFIX + "//([a-zA-Z0-9_:,.]+)(/[a-zA-Z0-9_]+)?");
+        Matcher m = URL_TEMPLATE.matcher(jdbcLink);
+        if (!m.matches()) {
+            throw new IllegalArgumentException("Incorrect url");
+        }
+        String database = m.group(2);
+        if (database == null) {
+            database = "";
+        }
+        String[] hosts = m.group(1).split(",");
+        final List<String> result = new ArrayList<String>(hosts.length);
+        for (final String host : hosts) {
+            result.add(JDBC_CLICKHOUSE_PREFIX + "//" + host + database);
+        }
+
+        String JDBC_PREFIX = "jdbc:";
+        String strUri = result.get(0).substring(JDBC_PREFIX.length());
+        URI uri = new URI(strUri);
+        System.out.println(uri.getHost());
+    }
+}