diff --git a/example/pom.xml b/example/pom.xml
index 63ee51d7..6bc48864 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -151,6 +151,11 @@
             <artifactId>spark-sql_2.11</artifactId>
             <version>2.4.4</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.spark</groupId>
+            <artifactId>spark-graphx_2.11</artifactId>
+            <version>2.4.4</version>
+        </dependency>
 
         <dependency>
             <groupId>com.vesoft</groupId>
diff --git a/nebula-spark-common/pom.xml b/nebula-spark-common/pom.xml
index 6a5121a7..9eea5315 100644
--- a/nebula-spark-common/pom.xml
+++ b/nebula-spark-common/pom.xml
@@ -30,16 +30,19 @@
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-core_${scala.binary.version}</artifactId>
             <version>${spark.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-sql_${scala.binary.version}</artifactId>
             <version>${spark.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-graphx_${scala.binary.version}</artifactId>
             <version>${spark.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.vesoft</groupId>
@@ -56,6 +59,7 @@
             <groupId>org.scalatest</groupId>
             <artifactId>scalatest-funsuite_2.11</artifactId>
             <version>${scalatest.version}</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 
diff --git a/nebula-spark-connector/pom.xml b/nebula-spark-connector/pom.xml
index 61d3c79e..08a65f42 100644
--- a/nebula-spark-connector/pom.xml
+++ b/nebula-spark-connector/pom.xml
@@ -23,16 +23,19 @@
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-core_2.11</artifactId>
             <version>${spark2.4.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-sql_2.11</artifactId>
             <version>${spark2.4.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-graphx_2.11</artifactId>
             <version>${spark2.4.version}</version>
+            <scope>provided</scope>
         </dependency>
 
         <dependency>
@@ -40,6 +43,13 @@
             <artifactId>nebula-spark-common</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <!-- scalatest -->
+        <dependency>
+            <groupId>org.scalatest</groupId>
+            <artifactId>scalatest-funsuite_2.11</artifactId>
+            <version>${scalatest.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/nebula-spark-connector_2.2/pom.xml b/nebula-spark-connector_2.2/pom.xml
index 23c7331e..26e46cc3 100644
--- a/nebula-spark-connector_2.2/pom.xml
+++ b/nebula-spark-connector_2.2/pom.xml
@@ -23,22 +23,32 @@
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-core_2.11</artifactId>
             <version>${spark2.2.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-sql_2.11</artifactId>
             <version>${spark2.2.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-graphx_2.11</artifactId>
             <version>${spark2.2.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.vesoft</groupId>
             <artifactId>nebula-spark-common</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <!-- scalatest -->
+        <dependency>
+            <groupId>org.scalatest</groupId>
+            <artifactId>scalatest-funsuite_2.11</artifactId>
+            <version>${scalatest.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/pom.xml b/pom.xml
index 3f1e8f8a..e0c2e1df 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,6 +11,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <scalatest.version>3.2.3</scalatest.version>
     </properties>
 
     <!-- More Project Information -->