diff --git a/app/src/main/java/io/legado/app/data/entities/BookProgress.kt b/app/src/main/java/io/legado/app/data/entities/BookProgress.kt
index e5d1e5c35..d5fd70d10 100644
--- a/app/src/main/java/io/legado/app/data/entities/BookProgress.kt
+++ b/app/src/main/java/io/legado/app/data/entities/BookProgress.kt
@@ -7,4 +7,15 @@ data class BookProgress(
     val durChapterPos: Int,
     val durChapterTime: Long,
     val durChapterTitle: String?
-)
\ No newline at end of file
+) {
+
+    constructor(book: Book) : this(
+        name = book.name,
+        author = book.author,
+        durChapterIndex = book.durChapterIndex,
+        durChapterPos = book.durChapterPos,
+        durChapterTime = book.durChapterTime,
+        durChapterTitle = book.durChapterTitle
+    )
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/storage/BookWebDav.kt b/app/src/main/java/io/legado/app/help/storage/BookWebDav.kt
index a194cf4e7..f98b1bd68 100644
--- a/app/src/main/java/io/legado/app/help/storage/BookWebDav.kt
+++ b/app/src/main/java/io/legado/app/help/storage/BookWebDav.kt
@@ -141,14 +141,7 @@ object BookWebDav {
     fun uploadBookProgress(book: Book) {
         if (!NetworkUtils.isAvailable()) return
         Coroutine.async {
-            val bookProgress = BookProgress(
-                name = book.name,
-                author = book.author,
-                durChapterIndex = book.durChapterIndex,
-                durChapterPos = book.durChapterPos,
-                durChapterTime = book.durChapterTime,
-                durChapterTitle = book.durChapterTitle
-            )
+            val bookProgress = BookProgress(book)
             val json = GSON.toJson(bookProgress)
             val url = getProgressUrl(book)
             if (initWebDav()) {
diff --git a/build.gradle b/build.gradle
index 537e02b97..844e4e6b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ buildscript {
         maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.0'
+        classpath 'com.android.tools.build:gradle:7.0.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'de.timfreiheit.resourceplaceholders:placeholders:0.4'
     }