diff --git a/build.gradle b/build.gradle
index 7290f21..bc9097e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
     id 'org.jetbrains.kotlin.jvm' version '1.3.11'
 }
 
-group 'com.zecqtwallet'
+group 'com.silentdragon'
 version '1.0-SNAPSHOT'
 
 sourceCompatibility = 1.8
@@ -32,7 +32,7 @@ compileTestKotlin {
 
 jar {
     manifest {
-        attributes 'Main-Class': 'com.zecqtwallet.wormhole.ServiceKt'
+        attributes 'Main-Class': 'com.silentdragon.wormhole.ServiceKt'
     }
     from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
-}
\ No newline at end of file
+}
diff --git a/src/main/kotlin/com/zecqtwallet/wormhole/Service.kt b/src/main/kotlin/com/silentdragon/wormhole/Service.kt
similarity index 100%
rename from src/main/kotlin/com/zecqtwallet/wormhole/Service.kt
rename to src/main/kotlin/com/silentdragon/wormhole/Service.kt