diff --git a/coupon.pb.go b/coupon.pb.go
index aabad07..ab2daf3 100644
--- a/coupon.pb.go
+++ b/coupon.pb.go
@@ -14,15 +14,15 @@ It has these top-level messages:
 */
 package couponrpc
 
-import proto "github.com/chai2010/protorpc/proto"
-import math "math"
+import "github.com/chai2010/protorpc/proto"
+import "math"
 
 import "io"
 import "log"
 import "net"
 import "net/rpc"
 import "time"
-import protorpc "github.com/chai2010/protorpc"
+import "github.com/chai2010/protorpc"
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
diff --git a/coupon.proto b/coupon.proto
index e8b7661..f00b91b 100644
--- a/coupon.proto
+++ b/coupon.proto
@@ -20,4 +20,5 @@ message CouponResponse {
 service CouponService {
     rpc isAvailable (CouponRequest) returns (CouponResponse);    // 优惠券是否可用
     rpc use (CouponRequest) returns (CouponResponse);    // 使用优惠券
+    rpc GetCouponInfo (CouponRequest) returns (CouponResponse)      //获取优惠券信息
 }
\ No newline at end of file