diff --git a/observer/src/main/java/me/twc/source/observer/ISourceObserverView.kt b/observer/src/main/java/me/twc/source/observer/engine/ISourceObserverView.kt
similarity index 95%
rename from observer/src/main/java/me/twc/source/observer/ISourceObserverView.kt
rename to observer/src/main/java/me/twc/source/observer/engine/ISourceObserverView.kt
index 1efcb90..dee0386 100644
--- a/observer/src/main/java/me/twc/source/observer/ISourceObserverView.kt
+++ b/observer/src/main/java/me/twc/source/observer/engine/ISourceObserverView.kt
@@ -1,4 +1,4 @@
-package me.twc.source.observer
+package me.twc.source.observer.engine
 
 import me.twc.source.Source
 import me.twc.source.observer.processor.SourceProcessor
diff --git a/observer/src/main/java/me/twc/source/observer/processor/ErrorSourceProcessor.kt b/observer/src/main/java/me/twc/source/observer/processor/ErrorSourceProcessor.kt
index f0b3702..47a91a8 100644
--- a/observer/src/main/java/me/twc/source/observer/processor/ErrorSourceProcessor.kt
+++ b/observer/src/main/java/me/twc/source/observer/processor/ErrorSourceProcessor.kt
@@ -1,7 +1,7 @@
 package me.twc.source.observer.processor
 
 import me.twc.source.ErrorSource
-import me.twc.source.observer.ISourceObserverView
+import me.twc.source.observer.engine.ISourceObserverView
 
 /**
  * @author 唐万超
diff --git a/observer/src/main/java/me/twc/source/observer/processor/LoadingSourceProcessor.kt b/observer/src/main/java/me/twc/source/observer/processor/LoadingSourceProcessor.kt
index 6569195..aa5f827 100644
--- a/observer/src/main/java/me/twc/source/observer/processor/LoadingSourceProcessor.kt
+++ b/observer/src/main/java/me/twc/source/observer/processor/LoadingSourceProcessor.kt
@@ -1,8 +1,7 @@
 package me.twc.source.observer.processor
 
 import me.twc.source.LoadingSource
-import me.twc.source.observer.ISourceObserverView
-import me.twc.source.observer.widget.SourceObserverView
+import me.twc.source.observer.engine.ISourceObserverView
 
 /**
  * @author 唐万超
diff --git a/observer/src/main/java/me/twc/source/observer/processor/SourceProcessor.kt b/observer/src/main/java/me/twc/source/observer/processor/SourceProcessor.kt
index ba77eb1..74f80f5 100644
--- a/observer/src/main/java/me/twc/source/observer/processor/SourceProcessor.kt
+++ b/observer/src/main/java/me/twc/source/observer/processor/SourceProcessor.kt
@@ -4,7 +4,7 @@ import me.twc.source.ErrorSource
 import me.twc.source.LoadingSource
 import me.twc.source.Source
 import me.twc.source.SuccessSource
-import me.twc.source.observer.ISourceObserverView
+import me.twc.source.observer.engine.ISourceObserverView
 import me.twc.source.observer.widget.SourceObserverView
 
 /**
diff --git a/observer/src/main/java/me/twc/source/observer/processor/SuccessSourceProcessor.kt b/observer/src/main/java/me/twc/source/observer/processor/SuccessSourceProcessor.kt
index da1da09..c3c8907 100644
--- a/observer/src/main/java/me/twc/source/observer/processor/SuccessSourceProcessor.kt
+++ b/observer/src/main/java/me/twc/source/observer/processor/SuccessSourceProcessor.kt
@@ -1,8 +1,7 @@
 package me.twc.source.observer.processor
 
 import me.twc.source.SuccessSource
-import me.twc.source.observer.ISourceObserverView
-import me.twc.source.observer.widget.SourceObserverView
+import me.twc.source.observer.engine.ISourceObserverView
 
 /**
  * @author 唐万超
diff --git a/observer/src/main/java/me/twc/source/observer/utils/ObserverUtil.kt b/observer/src/main/java/me/twc/source/observer/utils/ObserverUtil.kt
index bce4380..993a70c 100644
--- a/observer/src/main/java/me/twc/source/observer/utils/ObserverUtil.kt
+++ b/observer/src/main/java/me/twc/source/observer/utils/ObserverUtil.kt
@@ -5,7 +5,7 @@ import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.LiveData
 import me.twc.source.ErrorSource
 import me.twc.source.Source
-import me.twc.source.observer.ISourceObserverView
+import me.twc.source.observer.engine.ISourceObserverView
 import me.twc.source.observer.processor.*
 
 /**
diff --git a/observer/src/main/java/me/twc/source/observer/widget/SourceObserverView.kt b/observer/src/main/java/me/twc/source/observer/widget/SourceObserverView.kt
index 8270c8d..e372900 100644
--- a/observer/src/main/java/me/twc/source/observer/widget/SourceObserverView.kt
+++ b/observer/src/main/java/me/twc/source/observer/widget/SourceObserverView.kt
@@ -5,9 +5,7 @@ import android.util.AttributeSet
 import android.view.View
 import androidx.annotation.LayoutRes
 import com.github.nukc.stateview.StateView
-import me.twc.source.Source
-import me.twc.source.observer.ISourceObserverView
-import me.twc.source.observer.processor.*
+import me.twc.source.observer.engine.ISourceObserverView
 
 /**
  * @author 唐万超