diff --git a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/route/BaseRoute.kt b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/route/BaseRoute.kt
index 474095612..002bf0716 100644
--- a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/route/BaseRoute.kt
+++ b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/route/BaseRoute.kt
@@ -130,15 +130,15 @@ internal inline fun <reified T : VerifyDTO> Route.miraiVerify(
 internal inline fun Route.intercept(crossinline blk: suspend PipelineContext<Unit, ApplicationCall>.() -> Unit) = handle {
     try {
         blk(this)
-    } catch (e: IllegalSessionException) {
+    } catch (e: IllegalSessionException) { // Session过期
         call.respondStateCode(StateCode.IllegalSession)
-    } catch (e: NotVerifiedSessionException) {
+    } catch (e: NotVerifiedSessionException) { // Session未认证
         call.respondStateCode(StateCode.NotVerifySession)
-    } catch (e: NoSuchBotException) {
+    } catch (e: NoSuchBotException) { // Bot不存在
         call.respondStateCode(StateCode.NoBot)
-    } catch (e: NoSuchElementException) {
+    } catch (e: NoSuchElementException) { // 指定对象不存在
         call.respondStateCode(StateCode.NoElement)
-    } catch (e: PermissionDeniedException) {
+    } catch (e: PermissionDeniedException) { // 缺少权限
         call.respondStateCode(StateCode.PermissionDenied)
     } catch (e: IllegalAccessException) {
         call.respondStateCode(StateCode(400, e.message), HttpStatusCode.BadRequest)