diff --git a/api.md b/api.md
index 269044458..3a10e4507 100644
--- a/api.md
+++ b/api.md
@@ -4,7 +4,7 @@
 ## 使用
 ### Web
 以下说明假设您的操作在本机进行，且开放端口为1234。  
-如果您要从远程计算机访问[阅读]，请将`127.0.0.1`替换成手机IP。
+如果您要从远程计算机访问[阅读]()，请将`127.0.0.1`替换成手机IP。
 #### 插入单个书源
 ```
 URL = http://127.0.0.1:1234/saveSource
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
index 26069af22..396df397e 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
@@ -192,10 +192,11 @@ class AnalyzeUrl(
             option?.let { _ ->
                 option.method?.let { if (it.equals("POST", true)) method = RequestMethod.POST }
                 option.headers?.let { headers ->
-                    (headers as? Map<*, *>)?.forEach { key, value ->
-                        headerMap[key.toString()] = value.toString()
-                    }
-                    if (headers is String) {
+                    if (headers is Map<*, *>) {
+                        headers.forEach { entry ->
+                            headerMap[entry.key.toString()] = entry.value.toString()
+                        }
+                    } else if (headers is String) {
                         GSON.fromJsonObject<Map<String, String>>(headers)
                             ?.let { headerMap.putAll(it) }
                     }
diff --git a/app/src/main/res/layout/item_download.xml b/app/src/main/res/layout/item_download.xml
index 6d06afb86..a82f4f767 100644
--- a/app/src/main/res/layout/item_download.xml
+++ b/app/src/main/res/layout/item_download.xml
@@ -38,12 +38,12 @@
         android:layout_height="36dp"
         android:padding="6dp"
         android:background="?attr/selectableItemBackgroundBorderless"
-        android:tint="@color/primaryText"
         android:src="@drawable/ic_play_24dp"
         android:contentDescription="@string/start"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintRight_toLeftOf="@+id/tv_export" />
+        app:layout_constraintRight_toLeftOf="@+id/tv_export"
+        app:tint="@color/primaryText" />
 
     <TextView
         android:id="@+id/tv_export"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 26124f21d..92888ae19 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -290,7 +290,6 @@
     <string name="padding_right">Padding right</string>
     <string name="check_book_source">Check book sources</string>
     <string name="check_select_source">Check the selected source</string>
-    <string name="debug_select_source">Debug the selected source</string>
     <string name="progress_show">Progress %1$d/%2$d</string>
     <string name="tts_fix">Please install and select Chinese TTS!</string>
     <string name="tts_init_failed">TTS initialization failed!</string>