diff --git a/build.gradle b/build.gradle
index c13e4f32..d15360b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,6 @@
 buildscript {
     repositories {
+        mavenLocal()
         jcenter()
         google()
     }
@@ -11,6 +12,7 @@ buildscript {
 
 allprojects {
     repositories {
+        mavenLocal()
         jcenter()
         google()
     }
diff --git a/demo/build.gradle b/demo/build.gradle
index f9c5015f..e9786791 100644
--- a/demo/build.gradle
+++ b/demo/build.gradle
@@ -41,6 +41,10 @@ android {
         // which is harmless for us.
         warning 'InvalidPackage'
     }
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
 }
 
 dependencies {
@@ -49,7 +53,10 @@ dependencies {
     implementation 'com.android.support:design:28.0.0'
     debugImplementation 'cn.dreamtobe.threaddebugger:threaddebugger:1.3.3'
     releaseImplementation 'cn.dreamtobe.threaddebugger:threaddebugger-no-op:1.3.3'
-    implementation project(':library')
+//    implementation "com.liulishuo.filedownloader:library:1.7.7"
     // for testing
     implementation 'com.squareup.okio:okio:1.14.0'
+    implementation "com.liulishuo.okdownload:okdownload:1.0.7-SNAPSHOT"
+    implementation "com.liulishuo.okdownload:filedownloader:1.0.7-SNAPSHOT"
+    implementation "com.liulishuo.okdownload:sqlite:1.0.7-SNAPSHOT"
 }
diff --git a/demo/src/main/java/com/liulishuo/filedownloader/demo/DemoApplication.java b/demo/src/main/java/com/liulishuo/filedownloader/demo/DemoApplication.java
index a9c27c01..5f2ea92c 100644
--- a/demo/src/main/java/com/liulishuo/filedownloader/demo/DemoApplication.java
+++ b/demo/src/main/java/com/liulishuo/filedownloader/demo/DemoApplication.java
@@ -6,8 +6,9 @@
 
 import com.liulishuo.filedownloader.FileDownloader;
 import com.liulishuo.filedownloader.connection.FileDownloadUrlConnection;
-import com.liulishuo.filedownloader.util.FileDownloadLog;
+//import com.liulishuo.filedownloader.util.FileDownloadLog;
 import com.liulishuo.filedownloader.util.FileDownloadUtils;
+import com.liulishuo.okdownload.core.Util;
 
 import cn.dreamtobe.threaddebugger.IThreadDebugger;
 import cn.dreamtobe.threaddebugger.ThreadDebugger;
@@ -27,7 +28,8 @@ public void onCreate() {
         CONTEXT = this;
 
         // just for open the log in this demo project.
-        FileDownloadLog.NEED_LOG = BuildConfig.DOWNLOAD_NEED_LOG;
+//        FileDownloadLog.NEED_LOG = BuildConfig.DOWNLOAD_NEED_LOG;
+        Util.enableConsoleLog();
 
         /**
          * just for cache Application's Context, and ':filedownloader' progress will NOT be launched
diff --git a/demo/src/main/java/com/liulishuo/filedownloader/demo/TasksManagerDemoActivity.java b/demo/src/main/java/com/liulishuo/filedownloader/demo/TasksManagerDemoActivity.java
index d3b5394f..79cebcd4 100644
--- a/demo/src/main/java/com/liulishuo/filedownloader/demo/TasksManagerDemoActivity.java
+++ b/demo/src/main/java/com/liulishuo/filedownloader/demo/TasksManagerDemoActivity.java
@@ -356,7 +356,8 @@ public void onBindViewHolder(TaskItemViewHolder holder, int position) {
 
 
             if (TasksManager.getImpl().isReady()) {
-                final int status = TasksManager.getImpl().getStatus(model.getId(), model.getPath());
+//                final int status = TasksManager.getImpl().getStatus(model.getId(), model.getPath());
+                final int status = TasksManager.getImpl().getStatus(model.getUrl(), model.getPath());
                 if (status == FileDownloadStatus.pending || status == FileDownloadStatus.started ||
                         status == FileDownloadStatus.connected) {
                     // start task, but file not created yet
@@ -420,6 +421,8 @@ private void initDemo() {
                     final String url = Constant.BIG_FILE_URLS[i];
                     addTask(url);
                 }
+            } else {
+                correctModelId();
             }
         }
 
@@ -492,6 +495,15 @@ public void onCreate(final WeakReference<TasksManagerDemoActivity> activityWeakR
             }
         }
 
+        private void correctModelId() {
+            for (TasksManagerModel model : modelList) {
+                final BaseDownloadTask task = FileDownloader.getImpl().create(model.getUrl());
+                model.id = task.getId();
+                model.name = DemoApplication.CONTEXT
+                        .getString(R.string.tasks_manager_demo_name, model.id);
+            }
+        }
+
         public void onDestroy() {
             unregisterServiceConnectionListener();
             releaseTask();
@@ -524,10 +536,15 @@ public boolean isDownloaded(final int status) {
             return status == FileDownloadStatus.completed;
         }
 
+        @Deprecated
         public int getStatus(final int id, String path) {
             return FileDownloader.getImpl().getStatus(id, path);
         }
 
+        public int getStatus(final String url, final String path) {
+            return FileDownloader.getImpl().getStatus(url, path);
+        }
+
         public long getTotal(final int id) {
             return FileDownloader.getImpl().getTotal(id);
         }