diff --git a/src/main/java/icu/samnyan/aqua/sega/general/BaseHandler.kt b/src/main/java/icu/samnyan/aqua/sega/general/BaseHandler.kt
index fbb2a6d0..278e92b4 100644
--- a/src/main/java/icu/samnyan/aqua/sega/general/BaseHandler.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/general/BaseHandler.kt
@@ -1,6 +1,8 @@
 package icu.samnyan.aqua.sega.general
 
 import com.fasterxml.jackson.core.JsonProcessingException
+import ext.long
+import ext.parsing
 import jakarta.servlet.http.HttpServletRequest
 
 /**
@@ -14,7 +16,9 @@ fun interface BaseHandler {
 data class RequestContext(
     val req: HttpServletRequest,
     val data: Map<String, Any>,
-)
+) {
+    val uid by lazy { parsing { data["userId"]!!.long } }
+}
 
 typealias SpecialHandler = RequestContext.() -> Any?
 fun BaseHandler.toSpecial() = { ctx: RequestContext -> handle(ctx.data) }