diff --git a/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt b/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
index c77a92b21..77d8eee64 100644
--- a/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
+++ b/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
@@ -47,6 +47,7 @@ data class HttpTTS(
                     id = doc.readLong("$.id") ?: System.currentTimeMillis(),
                     name = doc.readString("$.name")!!,
                     url = doc.readString("$.url")!!,
+                    contentType = doc.readString("$.contentType"),
                     concurrentRate = doc.readString("$.concurrentRate"),
                     loginUrl = doc.readString("$.loginUrl"),
                     loginUi = if (loginUi is List<*>) GSON.toJson(loginUi) else loginUi?.toString(),
diff --git a/app/src/main/java/io/legado/app/service/HttpReadAloudService.kt b/app/src/main/java/io/legado/app/service/HttpReadAloudService.kt
index 5c0d4971e..f0e11dc90 100644
--- a/app/src/main/java/io/legado/app/service/HttpReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/HttpReadAloudService.kt
@@ -134,7 +134,8 @@ class HttpReadAloudService : BaseReadAloudService(),
                                         response = analyzeUrl.evalJS(checkJs, response) as Response
                                     }
                                 }
-                                httpTts.contentType?.let { contentTypeRegex ->
+                                val contentTypeRegex = httpTts.contentType
+                                if (!contentTypeRegex.isNullOrBlank()) {
                                     response.headers["Content-Type"]?.let { contentType ->
                                         if (!contentType.matches(contentTypeRegex.toRegex())) {
                                             throw NoStackTraceException(response.body!!.string())
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/HttpTtsEditDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/HttpTtsEditDialog.kt
index f3b95bef9..d519db410 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/HttpTtsEditDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/HttpTtsEditDialog.kt
@@ -72,6 +72,7 @@ class HttpTtsEditDialog() : BaseDialogFragment(R.layout.dialog_http_tts_edit),
     fun initView(httpTTS: HttpTTS) {
         binding.tvName.setText(httpTTS.name)
         binding.tvUrl.setText(httpTTS.url)
+        binding.tvContentType.setText(httpTTS.contentType)
         binding.tvLoginUrl.setText(httpTTS.loginUrl)
         binding.tvLoginUi.setText(httpTTS.loginUi)
         binding.tvLoginCheckJs.setText(httpTTS.loginCheckJs)
@@ -117,6 +118,7 @@ class HttpTtsEditDialog() : BaseDialogFragment(R.layout.dialog_http_tts_edit),
             id = viewModel.id ?: System.currentTimeMillis(),
             name = binding.tvName.text.toString(),
             url = binding.tvUrl.text.toString(),
+            contentType = binding.tvContentType.text?.toString(),
             loginUrl = binding.tvLoginUrl.text?.toString(),
             loginUi = binding.tvLoginUi.text?.toString(),
             loginCheckJs = binding.tvLoginCheckJs.text?.toString(),
diff --git a/app/src/main/res/layout/dialog_http_tts_edit.xml b/app/src/main/res/layout/dialog_http_tts_edit.xml
index 0b0b0430a..2d2f42264 100644
--- a/app/src/main/res/layout/dialog_http_tts_edit.xml
+++ b/app/src/main/res/layout/dialog_http_tts_edit.xml
@@ -51,6 +51,20 @@
 
             </io.legado.app.ui.widget.text.TextInputLayout>
 
+            <io.legado.app.ui.widget.text.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Content-Type"
+                tools:ignore="HardcodedText">
+
+                <io.legado.app.ui.widget.code.CodeView
+                    android:id="@+id/tv_content_type"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:ignore="TouchTargetSizeCheck,SpeakableTextPresentCheck" />
+
+            </io.legado.app.ui.widget.text.TextInputLayout>
+
             <io.legado.app.ui.widget.text.TextInputLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"