diff --git a/README.md b/README.md
index 6bed161..deeaa68 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![pk3f4HO.png](https://s21.ax1x.com/2024/05/30/pk3f4HO.png)](https://imgse.com/i/pk3f4HO)
 
-### 一个让开发者快速完成上传功能的框架
+### 一个让开发者快速完成上传功能的框架 支持java、kotlin
 
 # 截图
 
@@ -26,10 +26,10 @@ allprojects {
 ```groovy
 // build.gradle(Module:)
 dependencies {
-    implementation 'com.github.XJ-Up:quickupload:1.2.0'
+    implementation 'com.github.XJ-Up:quickupload:1.2.1'
 }
 ```
-
+## 具体使用可参考demo[点我](https://github.com/XJ-Up/quickupload/tree/main/app/src/main/java/com/dh/updemo)  
 # 如何使用
 
 #### 第一步 Application进行初始化配置
@@ -48,16 +48,16 @@ UploadConfiguration.initialize(
 
 ```kotlin
 
-//第一步：构建数据类并继承 UploadObserverBase() ，其中fileName、filePath均为自定义内容
+//第一步：构建数据类并继承 UploadObserverBase()且必须传入uploadId（你觉得任何唯一性的字符串） ，其中fileName、filePath均为自定义内容
 data class FileItem(
     val fileName: String,
     val filePath: String,
-) : UploadObserverBase()
+    override val uploadId: String,
+) : UploadObserverBase(uploadId)
 
 
 //第二步：创建数据类对象 赋值uploadId 添加至观察者
-fileItem = FileItem(name(Uri.parse(path)), path)
-fileItem?.uploadId = path //根据你的具体情况选择合适的值作为 uploadId
+fileItem = FileItem(name(Uri.parse(path)), path, uploadId)
 //添加至观察者
 UploadService.observers.add(fileItem)
 
@@ -107,6 +107,8 @@ fileItem.stopUpload()
 #### 第三步 获取上传详情
 
 ```kotlin
+//注意： fileItem中已包含对应的数据（uploadStatus, uploadInfo, throwable, serverResponse）
+// 这里的触发只是进行ui更新，详细使用可查看demo
   fileItem.refresh { uploadStatus, uploadInfo, throwable, serverResponse ->
     when (uploadStatus) {
         UploadStatus.DEFAULT -> {
@@ -133,5 +135,5 @@ fileItem.stopUpload()
 }
 ```
 #### 如果你没有服务器上传接口，你可以下载服务器demo[点我](https://github.com/XJ-Up/TestServer)搭建自己的测试服务器，来体验quickupload
-#### 具体使用可参考demo
+
 
diff --git a/app/build.gradle b/app/build.gradle
index ffaf6d1..81760f4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,14 +5,14 @@ plugins {
 
 android {
     namespace 'com.dh.updemo'
-    compileSdk 34
+    compileSdk compilesdk_version
 
     defaultConfig {
         applicationId "com.dh.updemo"
-        minSdk 21
-        targetSdk 34
+        minSdk minsdk_version
+        targetSdk targetsdk_version
         versionCode 4
-        versionName "1.5.0"
+        versionName "1.0.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -36,13 +36,12 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.material:material:1.12.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.7.7'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.7.7'
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation project(':quickupload')
-//    implementation 'com.github.XJ-Up:quickupload:1.5.0'
+//    implementation 'com.github.XJ-Up:quickupload:1.2.1'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bac6168..148eb41 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -24,9 +24,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".SingleFileUploadActivity"/>
-        <activity android:name=".MultipleSingleFileUploadsActivity"/>
-        <activity android:name=".UploadMultipleFilesSimultaneouslyActivity"/>
+        <activity android:name=".SingleFileUploadActivity"
+            android:exported="true"/>
+        <activity android:name=".MultipleSingleFileUploadsActivity"
+            android:exported="true"/>
+        <activity android:name=".UploadMultipleFilesSimultaneouslyActivity"
+            android:exported="true"/>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/dh/updemo/FileItem.kt b/app/src/main/java/com/dh/updemo/FileItem.kt
index 6333791..5a4a4c1 100644
--- a/app/src/main/java/com/dh/updemo/FileItem.kt
+++ b/app/src/main/java/com/dh/updemo/FileItem.kt
@@ -11,5 +11,5 @@ import com.dh.quickupload.observer.task.UploadObserverBase
 data class FileItem(
     val fileName: String,
     val filePath: String,
-
-) : UploadObserverBase()
\ No newline at end of file
+    override val uploadId: String,
+) : UploadObserverBase(uploadId)
\ No newline at end of file
diff --git a/app/src/main/java/com/dh/updemo/FilesItem.kt b/app/src/main/java/com/dh/updemo/FilesItem.kt
index fb52f8b..d03fe1c 100644
--- a/app/src/main/java/com/dh/updemo/FilesItem.kt
+++ b/app/src/main/java/com/dh/updemo/FilesItem.kt
@@ -1,6 +1,7 @@
 package com.dh.updemo
 
 import com.dh.quickupload.observer.task.UploadObserverBase
+
 /**
  * 多个地址文件上传示例
  * 使用：
@@ -9,5 +10,6 @@ import com.dh.quickupload.observer.task.UploadObserverBase
  */
 data class FilesItem(
     val fileName: String,
-    val filePath: MutableList<String>
-): UploadObserverBase()
+    val filePath: MutableList<String>,
+    override val uploadId: String,
+) : UploadObserverBase(uploadId)
diff --git a/app/src/main/java/com/dh/updemo/MultipleSingleFileUploadsActivity.kt b/app/src/main/java/com/dh/updemo/MultipleSingleFileUploadsActivity.kt
index de232c4..d24f8fd 100644
--- a/app/src/main/java/com/dh/updemo/MultipleSingleFileUploadsActivity.kt
+++ b/app/src/main/java/com/dh/updemo/MultipleSingleFileUploadsActivity.kt
@@ -30,7 +30,7 @@ class MultipleSingleFileUploadsActivity : AppCompatActivity() {
 
         recyclerView = findViewById(R.id.recycler_view)
         recyclerView.layoutManager = LinearLayoutManager(this)
-
+        recyclerView.itemAnimator=null
 
         uploadAdapter = UploadAdapter(fileList) {
             val uploadStatus = fileList[it].status
@@ -53,6 +53,9 @@ class MultipleSingleFileUploadsActivity : AppCompatActivity() {
         recyclerView.adapter = uploadAdapter
         findViewById<Button>(R.id.uploadStart).setOnClickListener {
             fileList.forEachIndexed { index, s ->
+                if (UploadService.taskList.contains(s.uploadId)){
+                    return@forEachIndexed
+                }
                 val uploadRequest =
                     QuickUploadRequest(this, serverUrl = "http://192.168.30.137:8080/upload")
                         .setMethod("POST")
@@ -115,13 +118,10 @@ class MultipleSingleFileUploadsActivity : AppCompatActivity() {
         filePath.addAll(path)
 
         filePath.forEach {
-            val fileItem = FileItem(name(Uri.parse(it)), it)
-            fileItem.uploadId = it
+            val fileItem = FileItem(name(Uri.parse(it)), it, it)
             fileItem.refresh { _, _, _, _ ->
-                runOnUiThread {
-                    uploadAdapter.notifyDataSetChanged()
-                }
-
+                val indexOf = fileList.indexOf(fileItem)
+                uploadAdapter.notifyItemChanged(indexOf)
             }
             UploadService.observers.add(fileItem)
             fileList.add(fileItem)
diff --git a/app/src/main/java/com/dh/updemo/SingleFileUploadActivity.kt b/app/src/main/java/com/dh/updemo/SingleFileUploadActivity.kt
index b84a2a3..0cd49b1 100644
--- a/app/src/main/java/com/dh/updemo/SingleFileUploadActivity.kt
+++ b/app/src/main/java/com/dh/updemo/SingleFileUploadActivity.kt
@@ -1,5 +1,6 @@
 package com.dh.updemo
 
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
@@ -14,6 +15,9 @@ import com.dh.quickupload.data.UploadStatus
 import com.dh.quickupload.quick.QuickUploadRequest
 import java.io.File
 
+/**
+ * 单文件上传
+ */
 class SingleFileUploadActivity : AppCompatActivity() {
     private lateinit var progressBar: ProgressBar
     private lateinit var uploadStart: Button
@@ -25,7 +29,8 @@ class SingleFileUploadActivity : AppCompatActivity() {
     companion object {
         private const val READ_REQUEST_CODE = 4
     }
-    private var fileItem:FileItem?=null
+
+    private var fileItem: FileItem? = null
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.single_file_upload_layout)
@@ -36,22 +41,21 @@ class SingleFileUploadActivity : AppCompatActivity() {
         uploadAddress = findViewById(R.id.uploadAddress)
         selectFile = findViewById(R.id.selectFile)
         uploadStart.setOnClickListener {
-
             if (fileItem == null) {
                 Toast.makeText(this, "请选择文件", Toast.LENGTH_SHORT).show()
             } else {
-
-            val  request=   QuickUploadRequest(this, serverUrl = "http://192.168.30.137:8080/upload")
-                    .setMethod("POST")
-                    .addFileToUpload(
-                        filePath = fileItem!!.filePath,
-                        parameterName = "files"
-                    )
-                    .setResumedFileStart(0)//如果需要断点续传调用此方法，默认情况下不需要调用
-                fileItem?.quickUploadRequest=request
-                fileItem?.startUpload()
-
+                fileItem?.let {
+                    it.quickUploadRequest= QuickUploadRequest(this, serverUrl = "http://192.168.30.137:8080/upload")
+                        .setMethod("POST")
+                        .addFileToUpload(
+                            filePath = it.filePath,
+                            parameterName = "files"
+                        )
+                        .setResumedFileStart(0)
+                    it.startUpload()
+                }
             }
+
         }
         endOfUpload.setOnClickListener {
             fileItem?.stopUpload()
@@ -82,40 +86,46 @@ class SingleFileUploadActivity : AppCompatActivity() {
         }
     }
 
+    @SuppressLint("SetTextI18n")
     private fun onPickedFiles(path: String) {
-        fileItem = FileItem(name(Uri.parse(path)), path)
-        fileItem?.uploadId=path
+        fileItem = FileItem(name(Uri.parse(path)), path, path)
         fileItem?.refresh { uploadStatus, uploadInfo, throwable, serverResponse ->
-            when(uploadStatus){
-                UploadStatus.DEFAULT->{
+            when (uploadStatus) {
+                UploadStatus.DEFAULT -> {
 
                 }
-                UploadStatus.Wait->{
+
+                UploadStatus.Wait -> {
 
                 }
-                UploadStatus.InProgress->{
+
+                UploadStatus.InProgress -> {
                     progressBar.progress = uploadInfo.progressPercent
-                    uploadProgress.text = "已上传：${uploadInfo.progressPercent.toString()}%"
+                    uploadProgress.text = "已上传：${uploadInfo.progressPercent}%"
                 }
-                UploadStatus.Success->{
+
+                UploadStatus.Success -> {
                     uploadProgress.text = "连接成功"
                 }
-                UploadStatus.Error->{
-                    uploadProgress.text = "${throwable.toString()}"
+
+                UploadStatus.Error -> {
+                    uploadProgress.text = throwable.toString()
                 }
-                UploadStatus.Completed->{
+
+                UploadStatus.Completed -> {
                     if (uploadInfo.progressPercent == 100) {
                         uploadProgress.text = "上传完成"
                     }
                 }
-                else->{}
-            }
 
+                else -> {}
+            }
         }
         UploadService.observers.add(fileItem!!)
         uploadAddress.text = "本地文件地址：$path"
 
     }
+
     fun name(uri: Uri): String {
         return contentResolver.query(uri, null, null, null, null)?.use {
             if (it.moveToFirst()) {
diff --git a/app/src/main/java/com/dh/updemo/UploadAdapter.kt b/app/src/main/java/com/dh/updemo/UploadAdapter.kt
index 66b0af7..2a88a76 100644
--- a/app/src/main/java/com/dh/updemo/UploadAdapter.kt
+++ b/app/src/main/java/com/dh/updemo/UploadAdapter.kt
@@ -23,9 +23,7 @@ class UploadAdapter(
     override fun onBindViewHolder(holder: UploadViewHolder, position: Int) {
         holder.bind(fileList[position], position)
     }
-
     override fun getItemCount(): Int = fileList.size
-
     inner class UploadViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         private val fileName: TextView = itemView.findViewById(R.id.file_name)
         private val progressBar: ProgressBar = itemView.findViewById(R.id.progress_bar)
@@ -51,11 +49,13 @@ class UploadAdapter(
                 }
 
                 UploadStatus.Completed -> {
-                    uploadButton.text = "上传完成"
+                    if (fileItem.uploadInfo.progressPercent==100){
+                        uploadButton.text = "上传完成"
+
+                    }
                 }
 
                 else -> {
-
                 }
             }
             uploadButton.setOnClickListener {
diff --git a/app/src/main/java/com/dh/updemo/UploadMultipleFilesSimultaneouslyActivity.kt b/app/src/main/java/com/dh/updemo/UploadMultipleFilesSimultaneouslyActivity.kt
index abd7883..d68a31f 100644
--- a/app/src/main/java/com/dh/updemo/UploadMultipleFilesSimultaneouslyActivity.kt
+++ b/app/src/main/java/com/dh/updemo/UploadMultipleFilesSimultaneouslyActivity.kt
@@ -1,5 +1,6 @@
 package com.dh.updemo
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
@@ -30,7 +31,8 @@ class UploadMultipleFilesSimultaneouslyActivity : AppCompatActivity() {
     companion object {
         private const val READ_REQUEST_CODE = 5
     }
-    private var filesItem:FilesItem?=null
+
+    private var filesItem: FilesItem? = null
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.upload_multiple_files_simultaneously_layout)
@@ -41,23 +43,23 @@ class UploadMultipleFilesSimultaneouslyActivity : AppCompatActivity() {
         uploadAddress = findViewById(R.id.uploadAddress)
         selectFile = findViewById(R.id.selectFile)
         uploadStart.setOnClickListener {
-            if (filesItem==null){
+            if (filesItem == null) {
                 Toast.makeText(this, "请选择文件", Toast.LENGTH_SHORT).show()
-            }else{
+            } else {
                 filesItem?.let {
-                    val  quickUploadRequest=   QuickUploadRequest(this, serverUrl = "http://192.168.30.137:8080/upload")
+                    it.quickUploadRequest= QuickUploadRequest(this, serverUrl = "http://192.168.30.137:8080/upload")
                         .setMethod("POST")
                         .apply {
-                            it.filePath .forEachIndexed { index, s ->
+                            it.filePath.forEachIndexed { _, s ->
                                 addFileToUpload(
                                     filePath = s,
                                     parameterName = "files"
                                 )
                             }
                         }
-                    it.quickUploadRequest=quickUploadRequest
                     it.startUpload()
                 }
+
             }
         }
         endOfUpload.setOnClickListener {
@@ -79,6 +81,7 @@ class UploadMultipleFilesSimultaneouslyActivity : AppCompatActivity() {
         startActivityForResult(intent, READ_REQUEST_CODE)
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
         super.onActivityResult(requestCode, resultCode, resultData)
         if (requestCode == READ_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
@@ -86,7 +89,7 @@ class UploadMultipleFilesSimultaneouslyActivity : AppCompatActivity() {
                 val clipData = intent.clipData
                 if (clipData != null) {
                     // 多个文件被选中
-                    var file = arrayListOf<String>()
+                    val file = arrayListOf<String>()
 
                     for (i in 0 until clipData.itemCount) {
                         val uri = clipData.getItemAt(i).uri
@@ -105,33 +108,39 @@ class UploadMultipleFilesSimultaneouslyActivity : AppCompatActivity() {
         }
     }
 
+    @SuppressLint("SetTextI18n")
     private fun onPickedFiles(path: MutableList<String>) {
-        filesItem = FilesItem("多文件",path)
-        filesItem?.uploadId="多文件"
+        filesItem = FilesItem("多文件", path, "多文件")
         filesItem?.refresh { uploadStatus, uploadInfo, throwable, serverResponse ->
-            when(uploadStatus){
-                UploadStatus.DEFAULT->{
+            when (uploadStatus) {
+                UploadStatus.DEFAULT -> {
 
                 }
-                UploadStatus.Wait->{
+
+                UploadStatus.Wait -> {
 
                 }
-                UploadStatus.InProgress->{
+
+                UploadStatus.InProgress -> {
                     progressBar.progress = uploadInfo.progressPercent
                     uploadProgress.text = "已上传：${uploadInfo.progressPercent.toString()}%"
                 }
-                UploadStatus.Success->{
+
+                UploadStatus.Success -> {
                     uploadProgress.text = "连接成功"
                 }
-                UploadStatus.Error->{
-                    uploadProgress.text = "${throwable.toString()}"
+
+                UploadStatus.Error -> {
+                    uploadProgress.text = throwable.toString()
                 }
-                UploadStatus.Completed->{
+
+                UploadStatus.Completed -> {
                     if (uploadInfo.progressPercent == 100) {
                         uploadProgress.text = "上传完成"
                     }
                 }
-                else->{}
+
+                else -> {}
             }
         }
         UploadService.observers.add(filesItem!!)
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
index 36a8b4e..49bba90 100644
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -14,7 +14,7 @@
         <!-- Customize your theme here. -->
     </style>
     <!-- Base application theme. -->
-    <style name="Base.Theme.UpDemo" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Base.Theme.UpDemo" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Customize your dark theme here. -->
         <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
     </style>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 5d24b24..bae9a58 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -14,7 +14,7 @@
         <!-- Customize your theme here. -->
     </style>
     <!-- Base application theme. -->
-    <style name="Base.Theme.UpDemo" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Base.Theme.UpDemo" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Customize your light theme here. -->
         <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
     </style>
diff --git a/build.gradle b/build.gradle
index 9574d25..2e91acd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,12 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    apply from: "config.gradle"
+    dependencies {
+        classpath 'com.android.tools.build:gradle:8.0.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
 plugins {
-id 'com.android.application' version '8.2.2' apply false
-    id 'org.jetbrains.kotlin.android' version '1.9.22' apply false
-    id 'com.android.library' version '8.2.2' apply false
+    id 'com.android.library' version '8.0.0' apply false
+    id 'org.jetbrains.kotlin.android' version '1.6.21' apply false
 }
\ No newline at end of file
diff --git a/config.gradle b/config.gradle
new file mode 100644
index 0000000..b53b827
--- /dev/null
+++ b/config.gradle
@@ -0,0 +1,6 @@
+ext {
+    kotlin_version = "1.6.20"
+    minsdk_version = 21
+    targetsdk_version = 34
+    compilesdk_version = 34
+}
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bb243f1..1f23951 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Fri May 10 15:10:46 CST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/quickupload/build.gradle b/quickupload/build.gradle
index 9c97cda..91d79e9 100644
--- a/quickupload/build.gradle
+++ b/quickupload/build.gradle
@@ -7,10 +7,11 @@ plugins {
 
 android {
     namespace 'com.dh.quickupload'
-    compileSdk 34
+    compileSdk compilesdk_version
 
     defaultConfig {
-        minSdk 21
+        minSdk minsdk_version
+        targetSdk targetsdk_version
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
 
@@ -40,7 +41,7 @@ afterEvaluate{
                 from components.release
                 groupId = 'com.dh'
                 artifactId = 'quickupload'
-                version = '1.5.0'
+                version = '1.2.1'
             }
         }
     }
@@ -50,7 +51,8 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
     implementation 'androidx.appcompat:appcompat:1.4.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 // 协程
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2"
-    api 'com.squareup.okhttp3:okhttp:4.9.0'
+    api 'com.squareup.okhttp3:okhttp:4.10.0'
 }
\ No newline at end of file
diff --git a/quickupload/src/main/AndroidManifest.xml b/quickupload/src/main/AndroidManifest.xml
index f2b1d9b..e8ee166 100644
--- a/quickupload/src/main/AndroidManifest.xml
+++ b/quickupload/src/main/AndroidManifest.xml
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="4"
-    android:versionName="1.5.0"
     >
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
diff --git a/quickupload/src/main/java/com/dh/quickupload/UploadConfiguration.kt b/quickupload/src/main/java/com/dh/quickupload/UploadConfiguration.kt
index 2ed9365..58bd582 100644
--- a/quickupload/src/main/java/com/dh/quickupload/UploadConfiguration.kt
+++ b/quickupload/src/main/java/com/dh/quickupload/UploadConfiguration.kt
@@ -87,13 +87,19 @@ object UploadConfiguration {
     /**
      *  Semaphore 以限制最大并发任务数
      */
+    @JvmStatic
     var maxConcurrentTasks = 2 // 设置最大并发任务数
+        set(value) {
+            require(value < 1) { "任务数必须大于1" }
+            field = value
+        }
     val semaphore = Semaphore(maxConcurrentTasks)
 
     /**
      *  创建网络状态监听
      *  当网络断开时立即停止全部上传
      */
+    @JvmStatic
     var networkListening: (UploadService) -> NetworkMonitor = {
         NetworkMonitor(it)
     }
@@ -116,10 +122,6 @@ object UploadConfiguration {
             require(value >= 256) { "您不能将缓冲区大小设置为低于256字节" }
             field = value
         }
-//    /**
-//     * 设置列表数据类
-//     */
-//    var items: MutableList<ProgressUpdatable> = arrayListOf()
     /**
      * 配置上传网络
      */
diff --git a/quickupload/src/main/java/com/dh/quickupload/UploadService.kt b/quickupload/src/main/java/com/dh/quickupload/UploadService.kt
index 1c7a60e..16c6749 100644
--- a/quickupload/src/main/java/com/dh/quickupload/UploadService.kt
+++ b/quickupload/src/main/java/com/dh/quickupload/UploadService.kt
@@ -63,9 +63,7 @@ class UploadService : Service(), CoroutineScope by MainScope() {
         @JvmStatic
         val observers:MutableList<UploadTaskObserver> = mutableListOf()
 
-        fun <T : UploadTaskObserver> List<UploadTaskObserver>.getSubclassInstances(clazz: Class<T>): List<T> {
-            return this.filterIsInstance(clazz)
-        }
+
         /**
          * 停止所有活动的上传。
          */
@@ -115,15 +113,15 @@ class UploadService : Service(), CoroutineScope by MainScope() {
         }
 
     }
-
     private var wakeLock: PowerManager.WakeLock? = null
     private var idleTimer: Timer? = null
-
-    private val taskObservers by lazy {
-        observers.add(TaskCompletionNotifier(this))
-        observers.toTypedArray()
-    }
-
+    private val taskObservers: Array<UploadTaskObserver>
+        get() {
+            if (!observers.contains(TaskCompletionNotifier(this))) {
+                observers.add(TaskCompletionNotifier(this))
+            }
+            return observers.toTypedArray()
+        }
     private val networkListening by lazy {
         UploadConfiguration.networkListening(this)
     }
diff --git a/quickupload/src/main/java/com/dh/quickupload/UploadTask.kt b/quickupload/src/main/java/com/dh/quickupload/UploadTask.kt
index 8f20ae8..9dd6a98 100644
--- a/quickupload/src/main/java/com/dh/quickupload/UploadTask.kt
+++ b/quickupload/src/main/java/com/dh/quickupload/UploadTask.kt
@@ -87,11 +87,6 @@ abstract class UploadTask {
         }
     }
 
-    fun joinTheJob(job: Job) {
-        this.job = job
-    }
-
-
     suspend fun <T> withSemaphore(action: suspend () -> T): T {
         semaphore.acquire() // 获取许可，减少可用许可数
         return try {
diff --git a/quickupload/src/main/java/com/dh/quickupload/data/UploadState.kt b/quickupload/src/main/java/com/dh/quickupload/data/UploadState.kt
deleted file mode 100644
index 4a6cb74..0000000
--- a/quickupload/src/main/java/com/dh/quickupload/data/UploadState.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.dh.quickupload.data
-
-import com.dh.quickupload.network.ServerResponse
-
-data class UploadLiveData(
-    val status: UploadStatus,
-    val uploadInfo: UploadInfo,
-    val serverResponse: ServerResponse? = null,
-    val exception: Throwable? = null
-)
\ No newline at end of file
diff --git a/quickupload/src/main/java/com/dh/quickupload/extensions/Extensions.kt b/quickupload/src/main/java/com/dh/quickupload/extensions/Extensions.kt
index 90cb964..b2cbe5f 100644
--- a/quickupload/src/main/java/com/dh/quickupload/extensions/Extensions.kt
+++ b/quickupload/src/main/java/com/dh/quickupload/extensions/Extensions.kt
@@ -74,7 +74,7 @@ data class UploadTaskCreationParameters(
 )
 
 fun Intent?.getUploadTaskCreationParameters(): UploadTaskCreationParameters? {
-    if (this == null ) {
+    if (this == null) {
         Logger.error(
             component = UploadService.TAG,
             uploadId = Logger.NA,
@@ -127,9 +127,9 @@ fun Intent?.getUploadTaskCreationParameters(): UploadTaskCreationParameters? {
 }
 
 /**
-* 根据intent中请求的task类创建一个新的task实例。
-* @ return task实例，如果task类不支持或无效，则返回null
-*/
+ * 根据intent中请求的task类创建一个新的task实例。
+ * @ return task实例，如果task类不支持或无效，则返回null
+ */
 @Suppress("UNCHECKED_CAST")
 fun Context.getUploadTask(
     creationParameters: UploadTaskCreationParameters,
diff --git a/quickupload/src/main/java/com/dh/quickupload/observer/task/UploadObserverBase.kt b/quickupload/src/main/java/com/dh/quickupload/observer/task/UploadObserverBase.kt
index 8efcbcd..1ce1be4 100644
--- a/quickupload/src/main/java/com/dh/quickupload/observer/task/UploadObserverBase.kt
+++ b/quickupload/src/main/java/com/dh/quickupload/observer/task/UploadObserverBase.kt
@@ -1,23 +1,22 @@
 package com.dh.quickupload.observer.task
 
+import android.os.Handler
+import android.os.Looper
 import com.dh.quickupload.UploadService
 import com.dh.quickupload.data.UploadInfo
 import com.dh.quickupload.data.UploadStatus
 import com.dh.quickupload.network.ServerResponse
 import com.dh.quickupload.quick.QuickUploadRequest
 
-open class UploadObserverBase : UploadTaskObserver {
+open class UploadObserverBase (open val uploadId: String) : UploadTaskObserver {
     private var callback:((UploadStatus,UploadInfo,Throwable?,ServerResponse?)->Unit)?=null
     fun  refresh(callback:((UploadStatus,UploadInfo,Throwable?,ServerResponse?)->Unit)){
         this.callback=callback
     }
-
     /**
-     * 用户传入
+     * 请求
      */
-    var uploadId: String=""
-    var quickUploadRequest: QuickUploadRequest?=null
-
+     var quickUploadRequest: QuickUploadRequest?=null
     /**
      * 上传返回信息
      */
@@ -35,7 +34,9 @@ open class UploadObserverBase : UploadTaskObserver {
     }
     open fun notifyChange() {
         // 子类可以覆盖通知逻辑
-        callback?.invoke(status,uploadInfo,exception,serverResponse)
+        Handler(Looper.getMainLooper()).post {
+            callback?.invoke(status,uploadInfo,exception,serverResponse)
+        }
     }
 
     override fun onWait(info: UploadInfo) {
@@ -77,7 +78,9 @@ open class UploadObserverBase : UploadTaskObserver {
     override fun onCompleted(info: UploadInfo) {
         if (info.uploadId==uploadId){
             uploadInfo = info
-            status = UploadStatus.Completed
+            if (uploadInfo.progressPercent==100){
+                status = UploadStatus.Completed
+            }
             notifyChange()
         }
     }