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 0a0146874..318c1dcd3 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
@@ -309,7 +309,7 @@ class AnalyzeUrl(
         }
         return when (method) {
             RequestMethod.POST -> {
-                if (fieldMap.isNotEmpty()) {
+                if (fieldMap.isNotEmpty() || body.isNullOrBlank()) {
                     RxHttp.postForm(url)
                         .setAssemblyEnabled(false)
                         .setOkClient(HttpHelper.getProxyClient(proxy))
@@ -338,7 +338,7 @@ class AnalyzeUrl(
         setCookie(tag)
         return when (method) {
             RequestMethod.POST -> {
-                if (fieldMap.isNotEmpty()) {
+                if (fieldMap.isNotEmpty() || body.isNullOrBlank()) {
                     RxHttp.postForm(url)
                         .setAssemblyEnabled(false)
                         .setOkClient(HttpHelper.getProxyClient(proxy))