diff --git a/pom.xml b/pom.xml
index be74d46..d80d145 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
-        <groupId>com.loafle</groupId>
+        <groupId>com.loafle.maven</groupId>
         <artifactId>maven_parent_jar</artifactId>
         <version>1.0.0-RELEASE</version>
     </parent>
diff --git a/src/main/java/com/loafle/overflow/crawler/Crawler.java b/src/main/java/com/loafle/overflow/crawler/Crawler.java
index f9408e7..19bb5cd 100644
--- a/src/main/java/com/loafle/overflow/crawler/Crawler.java
+++ b/src/main/java/com/loafle/overflow/crawler/Crawler.java
@@ -2,8 +2,8 @@ package com.loafle.overflow.crawler;
 
 import java.util.Map;
 
-import com.loafle.overflow.module.core.exception.OverflowException;
-import com.loafle.overflow.module.sensorconfig.model.SensorConfig;
+import com.loafle.overflow.core.exception.OverflowException;
+import com.loafle.overflow.model.sensorconfig.SensorConfig;
 
 /**
  * Crawler
@@ -13,4 +13,4 @@ public interface Crawler {
 	String toString();
 	void auth(Map<String, Object> authInfo) throws OverflowException;
 	Map<String, String> get(SensorConfig sensorConfig) throws OverflowException;
-}
\ No newline at end of file
+}