diff --git a/app/src/main/kotlin/li/songe/gkd/data/RawSubscription.kt b/app/src/main/kotlin/li/songe/gkd/data/RawSubscription.kt
index f21bfbe..a5de106 100644
--- a/app/src/main/kotlin/li/songe/gkd/data/RawSubscription.kt
+++ b/app/src/main/kotlin/li/songe/gkd/data/RawSubscription.kt
@@ -814,9 +814,8 @@ data class RawSubscription(
             return subscription
         }
 
-        fun parseRawApp(source: String, json5: Boolean = true): RawApp {
-            val text = if (json5) json5ToJson(source) else source
-            val a = jsonToAppRaw(json.parseToJsonElement(text).jsonObject, 0)
+        fun parseApp(jsonObject: JsonObject): RawApp {
+            val a = jsonToAppRaw(jsonObject, 0)
             a.groups.findDuplicatedItem { v -> v.key }?.let { v ->
                 error("duplicated app group: key=${v.key}")
             }
@@ -828,15 +827,24 @@ data class RawSubscription(
             return a
         }
 
-        fun parseRawGroup(source: String, json5: Boolean = true): RawAppGroup {
+        fun parseRawApp(source: String, json5: Boolean = true): RawApp {
             val text = if (json5) json5ToJson(source) else source
-            val g = jsonToGroupRaw(json.parseToJsonElement(text).jsonObject, 0)
+            return parseApp(json.parseToJsonElement(text).jsonObject)
+        }
+
+        fun parseGroup(jsonObject: JsonObject): RawAppGroup {
+            val g = jsonToGroupRaw(jsonObject, 0)
             g.rules.findDuplicatedItem { v -> v.key }?.let { v ->
                 error("duplicated app rule: key=${v.key}")
             }
             return g
         }
 
+        fun parseRawGroup(source: String, json5: Boolean = true): RawAppGroup {
+            val text = if (json5) json5ToJson(source) else source
+            return parseGroup(json.parseToJsonElement(text).jsonObject)
+        }
+
         fun parseRawGlobalGroup(source: String, json5: Boolean = true): RawGlobalGroup {
             val text = if (json5) json5ToJson(source) else source
             val g = jsonToGlobalGroups(json.parseToJsonElement(text).jsonObject, 0)
diff --git a/app/src/main/kotlin/li/songe/gkd/ui/AppItemPage.kt b/app/src/main/kotlin/li/songe/gkd/ui/AppItemPage.kt
index ac699a9..56abec9 100644
--- a/app/src/main/kotlin/li/songe/gkd/ui/AppItemPage.kt
+++ b/app/src/main/kotlin/li/songe/gkd/ui/AppItemPage.kt
@@ -60,6 +60,8 @@ import com.blankj.utilcode.util.LogUtils
 import com.ramcosta.composedestinations.annotation.Destination
 import com.ramcosta.composedestinations.annotation.RootNavGraph
 import kotlinx.coroutines.Dispatchers
+import kotlinx.serialization.json.JsonArray
+import kotlinx.serialization.json.jsonObject
 import li.songe.gkd.data.ExcludeData
 import li.songe.gkd.data.RawSubscription
 import li.songe.gkd.data.SubsConfig
@@ -74,6 +76,7 @@ import li.songe.gkd.util.appInfoCacheFlow
 import li.songe.gkd.util.encodeToJson5String
 import li.songe.gkd.util.getGroupRawEnable
 import li.songe.gkd.util.json
+import li.songe.gkd.util.json5ToJson
 import li.songe.gkd.util.launchAsFn
 import li.songe.gkd.util.launchTry
 import li.songe.gkd.util.navigate
@@ -407,29 +410,40 @@ fun AppItemPage(
                 }
             },
             confirmButton = {
-                TextButton(onClick = {
+                TextButton(onClick = vm.viewModelScope.launchAsFn(Dispatchers.Default) {
                     if (oldSource == source) {
-                        toast("规则无变动")
+                        toast("规则组无变动")
                         setEditGroupRaw(null)
-                        return@TextButton
+                        return@launchAsFn
                     }
-                    val newGroupRaw = try {
-                        RawSubscription.parseRawGroup(source)
+                    val element = try {
+                        json.parseToJsonElement(json5ToJson(source)).jsonObject
                     } catch (e: Exception) {
                         LogUtils.d(e)
-                        toast("非法规则:${e.message}")
-                        return@TextButton
+                        error("非法JSON:${e.message}")
+                    }
+                    val newGroupRaw = try {
+                        if (element["groups"] is JsonArray) {
+                            RawSubscription.parseApp(element).groups.let {
+                                it.find { g -> g.key == editGroupRaw.key } ?: it.firstOrNull()
+                            }
+                        } else {
+                            null
+                        } ?: RawSubscription.parseGroup(element)
+                    } catch (e: Exception) {
+                        LogUtils.d(e)
+                        error("非法规则:${e.message}")
                     }
                     if (newGroupRaw.key != editGroupRaw.key) {
                         toast("不能更改规则组的key")
-                        return@TextButton
+                        return@launchAsFn
                     }
                     if (newGroupRaw.errorDesc != null) {
                         toast(newGroupRaw.errorDesc!!)
-                        return@TextButton
+                        return@launchAsFn
                     }
                     setEditGroupRaw(null)
-                    subsRaw ?: return@TextButton
+                    subsRaw ?: return@launchAsFn
                     val newSubsRaw = subsRaw.copy(apps = subsRaw.apps.toMutableList().apply {
                         set(
                             indexOfFirst { a -> a.id == appRaw.id },
@@ -440,11 +454,9 @@ fun AppItemPage(
                             })
                         )
                     })
-                    vm.viewModelScope.launchTry(Dispatchers.IO) {
-                        updateSubscription(newSubsRaw)
-                        DbSet.subsItemDao.update(subsItem.copy(mtime = System.currentTimeMillis()))
-                        toast("更新成功")
-                    }
+                    updateSubscription(newSubsRaw)
+                    DbSet.subsItemDao.update(subsItem.copy(mtime = System.currentTimeMillis()))
+                    toast("更新成功")
                 }, enabled = source.isNotEmpty()) {
                     Text(text = "更新")
                 }