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 ad96e781c..20f03797e 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
@@ -51,8 +51,8 @@ class AnalyzeUrl(
     private var queryStr: String? = null
     private val fieldMap = LinkedHashMap<String, String>()
     private var charset: String? = null
-    private var bodyTxt: String? = null
-    private var body: RequestBody? = null
+    private var body: Any? = null
+    private var requestBody: RequestBody? = null
     private var method = RequestMethod.GET
 
     init {
@@ -157,15 +157,25 @@ class AnalyzeUrl(
             baseUrl = it
         }
         if (urlArray.size > 1) {
-            val options = GSON.fromJsonObject<Map<String, String>>(urlArray[1])
+            val options = GSON.fromJsonObject<UrlOption>(urlArray[1])
             options?.let { _ ->
-                options["method"]?.let { if (it.equals("POST", true)) method = RequestMethod.POST }
-                options["headers"]?.let { headers ->
-                    GSON.fromJsonObject<Map<String, String>>(headers)?.let { headerMap.putAll(it) }
+                options.method?.let { if (it.equals("POST", true)) method = RequestMethod.POST }
+                options.headers?.let { headers ->
+                    if (headers is Map<*, *>) {
+                        headerMap.putAll(headers as Map<out String, String>)
+                    }
+                    if (headers is String) {
+                        GSON.fromJsonObject<Map<String, String>>(headers)
+                            ?.let { headerMap.putAll(it) }
+                    }
+                }
+                body = options.body
+                charset = options.charset
+                options.webView?.let {
+                    if (it.toString().isNotEmpty()) {
+                        useWebView = true
+                    }
                 }
-                options["body"]?.let { bodyTxt = it }
-                options["charset"]?.let { charset = it }
-                options["webView"]?.let { if (it.isNotEmpty()) useWebView = true }
             }
         }
         when (method) {
@@ -179,11 +189,11 @@ class AnalyzeUrl(
                 }
             }
             RequestMethod.POST -> {
-                bodyTxt?.let {
-                    if (it.isJson()) {
-                        body = RequestBody.create(jsonType, it)
-                    } else {
+                body?.let {
+                    if (it is String) {
                         analyzeFields(it)
+                    } else {
+                        body = RequestBody.create(jsonType, GSON.toJson(it))
                     }
                 } ?: let {
                     body = FormBody.Builder().build()
@@ -253,7 +263,7 @@ class AnalyzeUrl(
                 } else {
                     HttpHelper
                         .getApiService<HttpPostApi>(baseUrl, charset)
-                        .postBody(url, body!!, headerMap)
+                        .postBody(url, requestBody!!, headerMap)
                 }
             }
             fieldMap.isEmpty() -> HttpHelper
@@ -277,7 +287,7 @@ class AnalyzeUrl(
             params.requestMethod = method
             params.javaScript = jsStr
             params.sourceRegex = sourceRegex
-            params.postData = bodyTxt?.toByteArray()
+            params.postData = body?.toString()?.toByteArray()
             params.tag = tag
             return HttpHelper.ajax(params)
         }
@@ -294,7 +304,7 @@ class AnalyzeUrl(
                 } else {
                     HttpHelper
                         .getApiService<HttpPostApi>(baseUrl, charset)
-                        .postBodyAsync(url, body!!, headerMap)
+                        .postBodyAsync(url, requestBody!!, headerMap)
                 }
             }
             fieldMap.isEmpty() -> HttpHelper
@@ -307,4 +317,12 @@ class AnalyzeUrl(
         return Res(NetworkUtils.getUrl(res), res.body())
     }
 
+    data class UrlOption(
+        val method: String?,
+        val charset: String?,
+        val webView: Any?,
+        val headers: Any?,
+        val body: Any?
+    )
+
 }
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
index f0e1feea1..c8887e770 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
@@ -373,7 +373,7 @@ class BookSourceEditActivity :
                 "charset": "",
                 "method": "POST",
                 "body": "",
-                "headers": "{"User-Agent": ""}"
+                "headers": {"User-Agent": ""}
                 }
                 """.trimIndent()
             )
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
index 8f90dfeed..ed18f8b69 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
@@ -206,7 +206,7 @@ class RssSourceEditActivity :
                 "charset": "",
                 "method": "POST",
                 "body": "",
-                "headers": "{"User-Agent": ""}"
+                "headers": {"User-Agent": ""}
                 }
 
             """.trimIndent()