diff --git a/.github/workflows/build-connector.yml b/.github/workflows/build-connector.yml
index 086db9348..2b2a242be 100644
--- a/.github/workflows/build-connector.yml
+++ b/.github/workflows/build-connector.yml
@@ -71,4 +71,11 @@ jobs:
         cd flink-doris-connector && mvn clean package \
           -Dflink.version=1.19.0 \
           -Dflink.minor.version=1.19 \
-          -Dflink.python.id=flink-python
\ No newline at end of file
+          -Dflink.python.id=flink-python
+
+    - name: Build flink connector 1.20
+      run: |
+        cd flink-doris-connector && mvn clean package \
+          -Dflink.version=1.20.0 \
+          -Dflink.minor.version=1.20 \
+          -Dflink.python.id=flink-python
diff --git a/README.md b/README.md
index ebd9cbb05..51481f6fd 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ under the License.
 
 ## Flink Doris Connector
 
-Flink Doris Connector now support flink version from 1.11 to 1.19.
+Flink Doris Connector now support flink version from 1.11 to 1.20.
 
 If you wish to contribute or use a connector from flink 1.13 (and earlier), please use the [branch-for-flink-before-1.13](https://github.com/apache/doris-flink-connector/tree/branch-for-flink-before-1.13)
 
diff --git a/flink-doris-connector/build.sh b/flink-doris-connector/build.sh
index 0c807d3aa..4852553b5 100755
--- a/flink-doris-connector/build.sh
+++ b/flink-doris-connector/build.sh
@@ -116,7 +116,7 @@ fi
 
 selectFlink() {
   echo 'Flink-Doris-Connector supports multiple versions of flink. Which version do you need ?'
-  select flink in "1.15.x" "1.16.x" "1.17.x" "1.18.x" "1.19.x"
+  select flink in "1.15.x" "1.16.x" "1.17.x" "1.18.x" "1.19.x" "1.20.x"
   do
     case $flink in
       "1.15.x")
@@ -134,6 +134,9 @@ selectFlink() {
       "1.19.x")
         return 5
         ;;
+      "1.20.x")
+        return 6
+        ;;
       *)
         echo "invalid selected, exit.."
         exit 1
@@ -157,6 +160,8 @@ elif [ ${flinkVer} -eq 4 ]; then
     FLINK_VERSION="1.18.0"
 elif [ ${flinkVer} -eq 5 ]; then
     FLINK_VERSION="1.19.0"
+elif [ ${flinkVer} -eq 6 ]; then
+    FLINK_VERSION="1.20.0"
 fi
 
 # extract major version:
diff --git a/flink-doris-connector/pom.xml b/flink-doris-connector/pom.xml
index 4bf34d689..f7801ddfa 100644
--- a/flink-doris-connector/pom.xml
+++ b/flink-doris-connector/pom.xml
@@ -67,7 +67,7 @@ under the License.
     </mailingLists>
 
     <properties>
-        <revision>1.6.2-SNAPSHOT</revision>
+        <revision>24.0.0-SNAPSHOT</revision>
         <flink.version>1.18.0</flink.version>
         <flink.major.version>1.18</flink.major.version>
         <flink.sql.cdc.version>3.1.1</flink.sql.cdc.version>
@@ -94,6 +94,7 @@ under the License.
         <jsqlparser.version>4.9</jsqlparser.version>
         <mysql.driver.version>8.0.26</mysql.driver.version>
         <ojdbc.version>19.3.0.0</ojdbc.version>
+        <log4j.version>2.17.1</log4j.version>
         <arrow.version>15.0.2</arrow.version>
         <adbc.version>0.12.0</adbc.version>
     </properties>
@@ -228,17 +229,35 @@ under the License.
             <artifactId>jackson-databind</artifactId>
             <version>${fasterxml.version}</version>
         </dependency>
-
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
             <version>${guava.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-log4j12</artifactId>
-            <version>${slf4j.version}</version>
-            <scope>provided</scope>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <!-- API bridge between log4j 1 and 2 -->
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-1.2-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
         </dependency>
         <!-- use cdc bundled jar for kafka connect class-->
         <dependency>
diff --git a/flink-doris-connector/src/main/resources/log4j2.properties b/flink-doris-connector/src/main/resources/log4j2.properties
new file mode 100644
index 000000000..591598b95
--- /dev/null
+++ b/flink-doris-connector/src/main/resources/log4j2.properties
@@ -0,0 +1,25 @@
+################################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+rootLogger.level = INFO
+rootLogger.appenderRef.console.ref = ConsoleAppender
+
+appender.console.name = ConsoleAppender
+appender.console.type = CONSOLE
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d{HH:mm:ss,SSS} %-5p %-60c [%t] %x - %m%n
diff --git a/flink-doris-connector/src/main/resources/log4j.properties b/flink-doris-connector/src/test/resources/log4j2-test.properties
similarity index 78%
rename from flink-doris-connector/src/main/resources/log4j.properties
rename to flink-doris-connector/src/test/resources/log4j2-test.properties
index 5645e5c42..22b66ef92 100644
--- a/flink-doris-connector/src/main/resources/log4j.properties
+++ b/flink-doris-connector/src/test/resources/log4j2-test.properties
@@ -16,8 +16,10 @@
 # limitations under the License.
 ################################################################################
 
-log4j.rootLogger=INFO, console
+rootLogger.level = INFO
+rootLogger.appenderRef.test.ref = TestLogger
 
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p %-60c [%t] %x - %m%n
+appender.testlogger.name = TestLogger
+appender.testlogger.type = CONSOLE
+appender.testlogger.layout.type = PatternLayout
+appender.testlogger.layout.pattern = %d{HH:mm:ss,SSS} %-5p %-60c [%t] %x - %m%n