feat:p525兑换接口调整

jydocs-back/servers/userDoc.go

@@ -137,8 +137,10 @@ func (userDoc *UserDoc) DocBuy() {
 			totalLimit := config.JyDocsAppConfig.DocMember.FreeDocLimit
 			if docMemberStatus {
 				totalLimit = config.JyDocsAppConfig.DocMember.Times
+				surplus = totalLimit - use
+			} else {
+				surplus = totalLimit - douding
 			}
-			surplus = totalLimit - use
 			if surplus <= 0 {
 				surplus = 0
 				use = totalLimit