diff --git a/client-adapter/common/pom.xml b/client-adapter/common/pom.xml
index 8a6d75fa..9c97646b 100644
--- a/client-adapter/common/pom.xml
+++ b/client-adapter/common/pom.xml
@@ -26,11 +26,6 @@
             <artifactId>druid</artifactId>
             <version>1.1.9</version>
         </dependency>
-        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.40</version>
-        </dependency>
     </dependencies>
 
 </project>
diff --git a/client-adapter/launcher/pom.xml b/client-adapter/launcher/pom.xml
index 32c70028..110bc97b 100644
--- a/client-adapter/launcher/pom.xml
+++ b/client-adapter/launcher/pom.xml
@@ -72,6 +72,11 @@
         </dependency>
 
         <!-- jdbc -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.40</version>
+        </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
diff --git a/client-adapter/rdb/pom.xml b/client-adapter/rdb/pom.xml
index 458e8ab2..4ac00ffd 100644
--- a/client-adapter/rdb/pom.xml
+++ b/client-adapter/rdb/pom.xml
@@ -25,6 +25,12 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.40</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>