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 81b11e51b..589b511d8 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
@@ -17,6 +17,8 @@ import io.legado.app.help.http.*
 import io.legado.app.model.ConcurrentException
 import io.legado.app.utils.*
 import kotlinx.coroutines.runBlocking
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.RequestBody.Companion.toRequestBody
 import okhttp3.Response
 import java.net.URLEncoder
 import java.util.*
@@ -207,7 +209,7 @@ class AnalyzeUrl(
                 }
             }
             RequestMethod.POST -> body?.let {
-                if (!it.isJson()) {
+                if (!it.isJson() && !it.isXml()) {
                     analyzeFields(it)
                 }
             }
@@ -391,8 +393,13 @@ class AnalyzeUrl(
                 when (method) {
                     RequestMethod.POST -> {
                         url(urlNoQuery)
+                        val contentType = headerMap["Content-Type"]
+                        val body = body
                         if (fieldMap.isNotEmpty() || body.isNullOrBlank()) {
                             postForm(fieldMap, true)
+                        } else if (!contentType.isNullOrBlank()) {
+                            val requestBody = body.toRequestBody(contentType.toMediaType())
+                            post(requestBody)
                         } else {
                             postJson(body)
                         }
diff --git a/app/src/main/java/io/legado/app/utils/StringExtensions.kt b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
index 1e57f6416..d026812e8 100644
--- a/app/src/main/java/io/legado/app/utils/StringExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
@@ -47,6 +47,12 @@ fun String?.isJsonArray(): Boolean =
         str.startsWith("[") && str.endsWith("]")
     } ?: false
 
+fun String?.isXml(): Boolean =
+    this?.run {
+        val str = this.trim()
+        str.startsWith("<") && str.endsWith(">")
+    } ?: false
+
 fun String.splitNotBlank(vararg delimiter: String): Array<String> = run {
     this.split(*delimiter).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
 }