diff --git a/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt b/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
index 4c83154a3..31e220577 100644
--- a/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
+++ b/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
@@ -1,14 +1,26 @@
 package io.legado.app.help.coroutine
 
 import io.legado.app.utils.printOnDebug
-import kotlinx.coroutines.*
-
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CompletionHandler
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.DisposableHandle
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.MainScope
+import kotlinx.coroutines.ensureActive
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.plus
+import kotlinx.coroutines.withContext
+import kotlinx.coroutines.withTimeout
 import kotlin.coroutines.CoroutineContext
 
 /**
  * 链式协程
  */
-@Suppress("unused")
+@Suppress("unused", "MemberVisibilityCanBePrivate")
 class Coroutine<T>(
     val scope: CoroutineScope,
     context: CoroutineContext = Dispatchers.IO,
diff --git a/app/src/main/java/io/legado/app/model/SharedJsScope.kt b/app/src/main/java/io/legado/app/model/SharedJsScope.kt
index 84d183a45..6b8a925f0 100644
--- a/app/src/main/java/io/legado/app/model/SharedJsScope.kt
+++ b/app/src/main/java/io/legado/app/model/SharedJsScope.kt
@@ -42,11 +42,11 @@ object SharedJsScope {
                             val js = okHttpClient.newCallStrResponse {
                                 url(value)
                             }.body
-                            it.evaluateString(scope, js, "jsLib", 1, null)
+                            evaluateString(scope, js, "jsLib", 1, null)
                         }
                     }
                 } else {
-                    it.evaluateString(scope, jsLib, "jsLib", 1, null)
+                    evaluateString(scope, jsLib, "jsLib", 1, null)
                 }
             }
             scopeMap[key] = WeakReference(scope)
diff --git a/app/src/main/java/io/legado/app/utils/Rhino.kt b/app/src/main/java/io/legado/app/utils/Rhino.kt
index d0ed3a56e..b2eac4317 100644
--- a/app/src/main/java/io/legado/app/utils/Rhino.kt
+++ b/app/src/main/java/io/legado/app/utils/Rhino.kt
@@ -4,7 +4,7 @@ import org.mozilla.javascript.Context
 
 object Rhino {
 
-    inline fun <R> use(block: (Context) -> R): R {
+    inline fun <R> use(block: Context.() -> R): R {
         val context = Context.enter()
         return try {
             block.invoke(context)