diff --git a/flink-doris-connector/pom.xml b/flink-doris-connector/pom.xml
index 2d7c3fe04..76156adf7 100644
--- a/flink-doris-connector/pom.xml
+++ b/flink-doris-connector/pom.xml
@@ -77,12 +77,22 @@ under the License.
         <maven-javadoc-plugin.version>3.3.0</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <log4j2.version>2.18.0</log4j2.version>
         <project.scm.id>github</project.scm.id>
         <thrift-service.version>1.0.0</thrift-service.version>
         <checkstyle.version>8.14</checkstyle.version>
         <maven-checkstyle-plugin.version>2.17</maven-checkstyle-plugin.version>
         <spotless.version>2.4.2</spotless.version>
+        <httpcomponents.version>4.5.13</httpcomponents.version>
+        <commons-codec.version>1.15</commons-codec.version>
+        <netty.version>4.1.77.Final</netty.version>
+        <fasterxml.version>2.13.3</fasterxml.version>
+        <guava.version>31.1-jre</guava.version>
+        <slf4j.version>1.7.25</slf4j.version>
+        <mockito.version>4.2.0</mockito.version>
+        <testcontainers.version>1.17.6</testcontainers.version>
+        <junit-jupiter.version>5.10.1</junit-jupiter.version>
+        <junit.version>4.11</junit.version>
+        <hamcrest.version>1.3</hamcrest.version>
     </properties>
 
     <dependencies>
@@ -146,7 +156,7 @@ under the License.
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.13</version>
+            <version>${httpcomponents.version}</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-codec</groupId>
@@ -158,7 +168,7 @@ under the License.
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
-            <version>1.15</version>
+            <version>${commons-codec.version}</version>
         </dependency>
 
         <dependency>
@@ -195,37 +205,37 @@ under the License.
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-common</artifactId>
-            <version>4.1.77.Final</version>
+            <version>${netty.version}</version>
         </dependency>
 
         <!--  jackson  -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>2.13.3</version>
+            <version>${fasterxml.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.13.3</version>
+            <version>${fasterxml.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.13.3</version>
+            <version>${fasterxml.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>31.1-jre</version>
+            <version>${guava.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.25</version>
+            <version>${slf4j.version}</version>
             <scope>provided</scope>
         </dependency>
         <!-- use cdc bundled jar for kafka connect class-->
@@ -287,39 +297,39 @@ under the License.
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-core</artifactId>
-            <version>1.3</version>
+            <version>${hamcrest.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>4.2.0</version>
+            <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-inline</artifactId>
-            <version>4.2.0</version>
+            <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.10.1</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
-            <version>1.17.6</version>
+            <version>${testcontainers.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/tools/maven/checkstyle.xml b/tools/maven/checkstyle.xml
index a3d8fa3df..880563e2a 100644
--- a/tools/maven/checkstyle.xml
+++ b/tools/maven/checkstyle.xml
@@ -180,11 +180,11 @@ This file is based on the checkstyle file of Apache Beam.
 			<property name="severity" value="error"/>
 		</module>
 
-		<module name="IllegalImport">
-			<property name="illegalPkgs"
-					  value="org.mockito, org.powermock"/>
-			<message key="import.illegal" value="{0}; Mocking is discouraged. Please refer to the coding guidelines: https://flink.apache.org/how-to-contribute/code-style-and-quality-common/#avoid-mockito---use-reusable-test-implementations."/>
-		</module>
+<!--		<module name="IllegalImport">-->
+<!--			<property name="illegalPkgs"-->
+<!--					  value="org.mockito, org.powermock"/>-->
+<!--			<message key="import.illegal" value="{0}; Mocking is discouraged. Please refer to the coding guidelines: https://flink.apache.org/how-to-contribute/code-style-and-quality-common/#avoid-mockito-&#45;&#45;use-reusable-test-implementations."/>-->
+<!--		</module>-->
 		<module name="IllegalImport">
 			<property name="illegalPkgs"
 					  value="autovalue.shaded, avro.shaded, com.google.api.client.repackaged, com.google.appengine.repackaged"/>
diff --git a/tools/maven/suppressions.xml b/tools/maven/suppressions.xml
index 2577e5f5c..6a0417d1d 100644
--- a/tools/maven/suppressions.xml
+++ b/tools/maven/suppressions.xml
@@ -26,7 +26,4 @@ under the License.
 	<!-- Java doc -->
 	<suppress files="org[\\/]apache[\\/]doris[\\/]flink[/].*" checks="JavadocType" />
 
-   <!-- TODO for test case -->
-	<suppress files="org[\\/]apache[\\/]doris[\\/]flink[\\/]sink[/].*" checks="IllegalImport" />
-
 </suppressions>