diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/UrlContentRequest.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/UrlContentRequest.kt
index 03fbaa31..c8440a4f 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/UrlContentRequest.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/UrlContentRequest.kt
@@ -6,5 +6,6 @@ data class UrlContentRequest(
     val httpPort: Int = 0,
     val proxyUsername: String? = null,
     val proxyPassword: String? = null,
-    val userAgent: String? = null
+    val userAgent: String? = null,
+    val requestHeaders: String? = null
 )
\ No newline at end of file
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/entities/SubscriptionItem.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/entities/SubscriptionItem.kt
index 021d51aa..8f62180f 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/entities/SubscriptionItem.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/entities/SubscriptionItem.kt
@@ -13,5 +13,6 @@ data class SubscriptionItem(
     var filter: String? = null,
     var allowInsecureUrl: Boolean = false,
     var userAgent: String? = null,
+    var requestHeaders: String? = null,
 )
 
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt
index 3a2e6a81..a42df526 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt
@@ -557,6 +557,7 @@ object AngConfigManager {
             }
             LogUtil.i(AppConfig.TAG, url)
             val userAgent = it.subscription.userAgent
+            val requestHeaders = it.subscription.requestHeaders
             val proxyUsername = SettingsManager.getSocksUsername()
             val proxyPassword = SettingsManager.getSocksPassword()
 
@@ -566,6 +567,7 @@ object AngConfigManager {
                     UrlContentRequest(
                         url = url,
                         userAgent = userAgent,
+                        requestHeaders = requestHeaders,
                         timeout = 15000,
                         httpPort = httpPort,
                         proxyUsername = proxyUsername,
@@ -581,7 +583,8 @@ object AngConfigManager {
                     HttpUtil.getUrlContentWithUserAgent(
                         UrlContentRequest(
                             url = url,
-                            userAgent = userAgent
+                            userAgent = userAgent,
+                            requestHeaders = requestHeaders
                         )
                     )
                 } catch (e: Exception) {
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt
index 93fa9df7..cccbe2de 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt
@@ -75,7 +75,6 @@ class SubEditActivity : BaseComponentActivity() {
     }
 
     private fun saveServer(subItem: SubscriptionItem): Boolean {
-        val intervalMinutes = subItem.updateInterval
 
         if (TextUtils.isEmpty(subItem.remarks)) {
             toast(R.string.sub_setting_remarks)
@@ -94,6 +93,11 @@ class SubEditActivity : BaseComponentActivity() {
             }
         }
 
+        if (subItem.autoUpdate && subItem.updateInterval < AppConfig.SUBSCRIPTION_MIN_INTERVAL_MINUTES) {
+            toast(R.string.toast_invalid_update_interval)
+            return false
+        }
+
         MmkvManager.encodeSubscription(editSubId, subItem)
         SubscriptionUpdater.syncOne(subId = editSubId)
         SettingsChangeManager.makeSetupGroupTab()
@@ -123,11 +127,11 @@ fun SubEditScreen(
     onSave: (SubscriptionItem) -> Boolean,
     onDelete: () -> Unit
 ) {
-    val context = LocalContext.current
-
+    //val context = LocalContext.current
     var remarks by rememberSaveable { mutableStateOf(initial.remarks.orEmpty()) }
     var url by rememberSaveable { mutableStateOf(initial.url.orEmpty()) }
     var userAgent by rememberSaveable { mutableStateOf(initial.userAgent.orEmpty()) }
+    var requestHeaders by rememberSaveable { mutableStateOf(initial.requestHeaders.orEmpty()) }
     var filter by rememberSaveable { mutableStateOf(initial.filter ?: "") }
     var enabled by rememberSaveable { mutableStateOf(initial.enabled) }
     var autoUpdate by rememberSaveable { mutableStateOf(initial.autoUpdate) }
@@ -145,25 +149,11 @@ fun SubEditScreen(
         subItem.remarks = remarks
         subItem.url = url
         subItem.userAgent = userAgent
+        subItem.requestHeaders = requestHeaders
         subItem.filter = filter
         subItem.enabled = enabled
         subItem.autoUpdate = autoUpdate
-        val intervalInput = updateInterval.trim()
-        val intervalMinutes = intervalInput.toLongOrNull()
-        if (autoUpdate) {
-            if (intervalMinutes == null) {
-                subItem.updateInterval = SubscriptionItem().updateInterval
-            } else if (intervalMinutes < AppConfig.SUBSCRIPTION_MIN_INTERVAL_MINUTES) {
-                context.toast(context.getString(R.string.toast_invalid_update_interval))
-                return null
-            } else {
-                subItem.updateInterval = intervalMinutes
-            }
-        } else {
-            if (intervalMinutes != null && intervalMinutes >= AppConfig.SUBSCRIPTION_MIN_INTERVAL_MINUTES) {
-                subItem.updateInterval = intervalMinutes
-            }
-        }
+        subItem.updateInterval = updateInterval.toLong()
         subItem.prevProfile = prevProfile
         subItem.nextProfile = nextProfile
         subItem.allowInsecureUrl = allowInsecureUrl
@@ -203,6 +193,7 @@ fun SubEditScreen(
             FormTextField(stringResource(R.string.sub_setting_remarks), remarks, { remarks = it })
             FormTextField(stringResource(R.string.sub_setting_url), url, { url = it })
             FormTextField(stringResource(R.string.sub_setting_user_agent), userAgent, { userAgent = it })
+            FormTextField(stringResource(R.string.sub_setting_request_headers), requestHeaders, { requestHeaders = it })
             FormTextField(stringResource(R.string.sub_setting_filter), filter, { filter = it })
             SettingsSwitchItem(
                 title = stringResource(R.string.sub_setting_enable),
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt
index 4282801d..92396909 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt
@@ -164,6 +164,16 @@ object HttpUtil {
 
             applyEmbeddedBasicAuthHeader(currentUrl, requestBuilder)
 
+
+            val headersMap = JsonUtil.parseHeadersToMap(request.requestHeaders)
+            for ((key, value) in headersMap) {
+                LogUtil.d(AppConfig.TAG, "Adding custom header: $key = $value")
+                try {
+                    requestBuilder.header(key, value)
+                } catch (_: IllegalArgumentException) {
+                }
+            }
+
             if (request.httpPort != 0 && !request.proxyUsername.isNullOrBlank() && !request.proxyPassword.isNullOrBlank()) {
                 requestBuilder.header("Proxy-Authorization", Credentials.basic(request.proxyUsername, request.proxyPassword))
             }
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt
index 88094475..cd657173 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt
@@ -92,4 +92,23 @@ object JsonUtil {
             return null
         }
     }
+
+    fun parseHeadersToMap(headersJson: String?): Map<String, String> {
+        val headerMap = mutableMapOf<String, String>()
+        val jsonObject = parseString(headersJson) ?: return headerMap
+        try {
+            for ((key, jsonElement) in jsonObject.entrySet()) {
+                if (key.isNullOrBlank() || jsonElement == null || jsonElement.isJsonNull) {
+                    continue
+                }
+                val value = if (jsonElement.isJsonPrimitive) jsonElement.asString else jsonElement.toString()
+                if (value.isNotBlank()) {
+                    headerMap[key] = value
+                }
+            }
+        } catch (e: Exception) {
+            LogUtil.e(AppConfig.TAG, "Failed to parse headers JSON", e)
+        }
+        return headerMap
+    }
 }
\ No newline at end of file
diff --git a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
index e005899e..0924d9a0 100644
--- a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
@@ -305,6 +305,7 @@
     <string name="sub_setting_remarks">备注</string>
     <string name="sub_setting_url">可选地址 (url)</string>
     <string name="sub_setting_user_agent">User Agent</string>
+    <string name="sub_setting_request_headers">请求头（JSON 格式）</string>
     <string name="sub_setting_filter">别名正则过滤</string>
     <string name="sub_setting_enable">启用更新</string>
     <string name="sub_auto_update">启用自动更新</string>
diff --git a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
index 58c4d3c8..84ad9a65 100644
--- a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
@@ -304,6 +304,7 @@
     <string name="sub_setting_remarks">備註</string>
     <string name="sub_setting_url">可選位址(url)</string>
     <string name="sub_setting_user_agent">User Agent</string>
+    <string name="sub_setting_request_headers">請求頭（JSON 格式）</string>
     <string name="sub_setting_filter">別名正規過濾</string>
     <string name="sub_setting_enable">啟用更新</string>
     <string name="sub_auto_update">啟用自動更新</string>
diff --git a/V2rayNG/app/src/main/res/values/strings.xml b/V2rayNG/app/src/main/res/values/strings.xml
index fb2aaee1..264ab448 100644
--- a/V2rayNG/app/src/main/res/values/strings.xml
+++ b/V2rayNG/app/src/main/res/values/strings.xml
@@ -311,6 +311,7 @@
     <string name="sub_setting_remarks">remarks</string>
     <string name="sub_setting_url">Optional URL</string>
     <string name="sub_setting_user_agent">User Agent</string>
+    <string name="sub_setting_request_headers">Request Headers (JSON format)</string>
     <string name="sub_setting_filter">Remarks regular filter</string>
     <string name="sub_setting_enable">Enable update</string>
     <string name="sub_auto_update">Enable automatic update</string>