diff --git a/device/pom.xml b/device/pom.xml
index 3fc98b80..eeaf245c 100644
--- a/device/pom.xml
+++ b/device/pom.xml
@@ -34,12 +34,6 @@
             <version>1.0.0</version>
             <scope>compile</scope>
         </dependency>
-        <dependency>
-            <groupId>com.njcn.gather</groupId>
-            <artifactId>detection</artifactId>
-            <version>1.0.0</version>
-            <scope>compile</scope>
-        </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>