diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 525947053..113812f8b 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -108,7 +108,11 @@
       "Bash(node -e ' *)",
       "Bash(node *)",
       "Bash(Select-String -Pattern \"BUILD|error|Error\")",
-      "Bash(Select-Object -First 10)"
+      "Bash(Select-Object -First 10)",
+      "Bash(git push *)",
+      "Bash(gh run *)",
+      "WebFetch(domain:ktor.io)",
+      "WebFetch(domain:api.ktor.io)"
     ]
   }
 }
diff --git a/app/src/main/java/io/legado/app/web/KtorServer.kt b/app/src/main/java/io/legado/app/web/KtorServer.kt
index c6081d0b0..4ae2cc133 100644
--- a/app/src/main/java/io/legado/app/web/KtorServer.kt
+++ b/app/src/main/java/io/legado/app/web/KtorServer.kt
@@ -13,8 +13,7 @@ import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 import io.ktor.server.websocket.*
-import io.ktor.util.pipeline.*
-import io.ktor.util.toMap
+import io.ktor.utils.io.readAvailable
 import io.legado.app.api.ReturnData
 import io.legado.app.api.controller.BookController
 import io.legado.app.api.controller.BookSourceController
@@ -35,8 +34,8 @@ import java.io.ByteArrayOutputStream
 import java.io.File
 
 class KtorServer(private val port: Int) {
-    private var server: ApplicationEngine? = null
-    private var wsServer: ApplicationEngine? = null
+    private var server: EmbeddedServer<*, *>? = null
+    private var wsServer: EmbeddedServer<*, *>? = null
     private val assetsWeb = AssetsWeb("web")
 
     fun start() {
@@ -73,9 +72,13 @@ class KtorServer(private val port: Int) {
                                     if (part.name == "fileName") fileName = part.value
                                 }
                                 is PartData.FileItem -> {
-                                    part.streamProvider().use { input ->
-                                        tempFile.outputStream().use { output ->
-                                            input.copyTo(output)
+                                    val channel = part.provider()
+                                    tempFile.outputStream().use { output ->
+                                        val buffer = ByteArray(8192)
+                                        while (true) {
+                                            val bytesRead = channel.readAvailable(buffer)
+                                            if (bytesRead == -1) break
+                                            output.write(buffer, 0, bytesRead)
                                         }
                                     }
                                     if (fileName == null) {
@@ -169,7 +172,7 @@ class KtorServer(private val port: Int) {
         wsServer?.stop(0, 0)
     }
 
-    private suspend fun PipelineContext<Unit, ApplicationCall>.handlePost(
+    private suspend fun RoutingContext.handlePost(
         block: suspend (String?) -> ReturnData
     ) {
         WebService.serve()
@@ -183,12 +186,13 @@ class KtorServer(private val port: Int) {
         }
     }
 
-    private suspend fun PipelineContext<Unit, ApplicationCall>.handleGet(
+    private suspend fun RoutingContext.handleGet(
         block: (Map<String, List<String>>) -> ReturnData?
     ) {
         WebService.serve()
         try {
-            val parameters = call.request.queryParameters.toMap()
+            val parameters = call.queryParameters.entries()
+                .associate { it.key to it.value }
             val returnData = block(parameters)
             if (returnData != null) {
                 respondReturnData(returnData)
@@ -201,7 +205,7 @@ class KtorServer(private val port: Int) {
         }
     }
 
-    private suspend fun PipelineContext<Unit, ApplicationCall>.respondReturnData(returnData: ReturnData) {
+    private suspend fun RoutingContext.respondReturnData(returnData: ReturnData) {
         if (returnData.data is Bitmap) {
             val bitmap = returnData.data as Bitmap
             val outputStream = ByteArrayOutputStream()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 32a306478..9ea8e6460 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -37,7 +37,7 @@ lifecycle = "2.10.0"
 glide = "5.0.7"
 gson = "2.14.0"
 jsonPath = "3.0.0"
-ktor = "2.3.12"
+ktor = "3.5.0"
 # issue #3811，不要更新版本，新版引入了一个破坏性变更（详见https://github.com/jhy/jsoup/pull/2017）
 # 若要升级请确保相关代码不会受此变更影响（如AnalyzeByJSoup.kt、JsoupXpath库等）
 jsoup = "1.16.2"