diff --git a/src/HttpServer/logic/datadef.go b/src/HttpServer/logic/datadef.go
index 94faed2..d5e1d2c 100644
--- a/src/HttpServer/logic/datadef.go
+++ b/src/HttpServer/logic/datadef.go
@@ -15,8 +15,8 @@ type TestAddCatResp struct {
 }
 
 type ChangeCoinReq struct {
-	Type int    `json:"type"`
-	Coin string `json:"coin"`
+	Type int   `json:"type"`
+	Coin int64 `json:"coin"`
 }
 
 type ChangeCoinData struct {
--
libgit2 0.21.0