diff --git a/payapi/src/main/kotlin/com/supwisdom/dlpay/api/controller/user_api_controller.kt b/payapi/src/main/kotlin/com/supwisdom/dlpay/api/controller/user_api_controller.kt
index cf9fd8f..fc1d886 100644
--- a/payapi/src/main/kotlin/com/supwisdom/dlpay/api/controller/user_api_controller.kt
+++ b/payapi/src/main/kotlin/com/supwisdom/dlpay/api/controller/user_api_controller.kt
@@ -171,7 +171,7 @@
     @PostMapping("/biz_init")
     fun userBizInit(@RequestBody @Validated(InitAction::class) request: CardBizParam): ResponseEntity<Any> {
         val builder = TransactionBuilder().apply {
-            setTransInfo(request.transdate, request.transtime, TradeCode.TRANSCODE_CARD_BIZ, "balance")
+            setTransInfo(request.transdate, request.transtime, TradeCode.TRANSCODE_CARD_BIZ, "internal")
             setOutTransInfo(request.operid, request.operSeqno)
             dtltype = "cardservice"
         }