diff --git a/app/src/main/java/io/legado/app/help/glide/progress/ProgressManager.kt b/app/src/main/java/io/legado/app/help/glide/progress/ProgressManager.kt
index 5011b0d2db43..e737c4663af5 100644
--- a/app/src/main/java/io/legado/app/help/glide/progress/ProgressManager.kt
+++ b/app/src/main/java/io/legado/app/help/glide/progress/ProgressManager.kt
@@ -11,13 +11,17 @@ object ProgressManager {
     private val listenersMap = ConcurrentHashMap<String, OnProgressListener>()
 
     val LISTENER = object : ProgressResponseBody.InternalProgressListener {
-        override fun onProgress(url: String, bytesRead: Long, totalBytes: Long) {
+        override fun onProgress(
+            url: String,
+            bytesRead: Long,
+            totalBytes: Long,
+            isComplete: Boolean
+        ) {
             getProgressListener(url)?.let {
-                var percentage = (bytesRead * 1f / totalBytes * 100f).toInt()
-                var isComplete = percentage >= 100
-                if (percentage <= -100) {
-                    percentage = 0
-                    isComplete = true
+                val percentage = when {
+                    isComplete -> 100
+                    totalBytes == -1L -> 0
+                    else -> (bytesRead * 1f / totalBytes * 100f).toInt().coerceIn(0, 100)
                 }
                 it.invoke(isComplete, percentage, bytesRead, totalBytes)
                 if (isComplete) {
@@ -31,7 +35,7 @@ object ProgressManager {
         if (url.isNotEmpty()) {
             val url = getUrlNoOption(url)
             listenersMap[url] = listener
-            listener.invoke(false, 1, 0, 0)
+            listener.invoke(false, 0, 0, 0)
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/help/glide/progress/ProgressResponseBody.kt b/app/src/main/java/io/legado/app/help/glide/progress/ProgressResponseBody.kt
index 9a8158a9a1c1..ad5b20c43e0d 100644
--- a/app/src/main/java/io/legado/app/help/glide/progress/ProgressResponseBody.kt
+++ b/app/src/main/java/io/legado/app/help/glide/progress/ProgressResponseBody.kt
@@ -4,11 +4,18 @@ import android.os.Handler
 import android.os.Looper
 import okhttp3.MediaType
 import okhttp3.ResponseBody
-import okio.*
+import okio.Buffer
+import okio.BufferedSource
+import okio.ForwardingSource
+import okio.Source
+import okio.buffer
 import java.io.IOException
-import kotlin.jvm.Throws
 
-class ProgressResponseBody internal constructor(private val url: String, private val internalProgressListener: InternalProgressListener?, private val responseBody: ResponseBody) : ResponseBody() {
+class ProgressResponseBody internal constructor(
+    private val url: String,
+    private val internalProgressListener: InternalProgressListener,
+    private val responseBody: ResponseBody
+) : ResponseBody() {
     private var bufferedSource: BufferedSource? = null
     override fun contentType(): MediaType? {
         return responseBody.contentType()
@@ -34,9 +41,13 @@ class ProgressResponseBody internal constructor(private val url: String, private
             override fun read(sink: Buffer, byteCount: Long): Long {
                 val bytesRead = super.read(sink, byteCount)
                 totalBytesRead += if (bytesRead == -1L) 0 else bytesRead
-                if (internalProgressListener != null && lastTotalBytesRead != totalBytesRead) {
+                if (lastTotalBytesRead != totalBytesRead || bytesRead == -1L) {
                     lastTotalBytesRead = totalBytesRead
-                    mainThreadHandler.post { internalProgressListener.onProgress(url, totalBytesRead, contentLength()) }
+                    mainThreadHandler.post {
+                        internalProgressListener.onProgress(
+                            url, totalBytesRead, contentLength(), bytesRead == -1L
+                        )
+                    }
                 }
                 return bytesRead
             }
@@ -44,7 +55,7 @@ class ProgressResponseBody internal constructor(private val url: String, private
     }
 
     interface InternalProgressListener {
-        fun onProgress(url: String, bytesRead: Long, totalBytes: Long)
+        fun onProgress(url: String, bytesRead: Long, totalBytes: Long, isComplete: Boolean)
     }
 
     companion object {