diff --git a/conf/dadi.json b/conf/dadi.json
new file mode 100644
index 0000000..ac2fa8d
--- /dev/null
+++ b/conf/dadi.json
@@ -0,0 +1,4 @@
+{
+  "bidProfit": 50,
+  "couponCost": 3000
+}
\ No newline at end of file
diff --git a/config/daid.go b/config/daid.go
new file mode 100644
index 0000000..55685a2
--- /dev/null
+++ b/config/daid.go
@@ -0,0 +1,30 @@
+package config
+
+import (
+	"encoding/json"
+	"io/ioutil"
+)
+
+type Dadi struct {
+	BidProfit  int64 `json:"bidProfit"`
+	CouponCost int64 `json:"couponCost"`
+}
+
+var (
+	dadiConfig *Dadi = nil
+)
+
+func LoadDadiConfig() {
+	body, err := ioutil.ReadFile("conf/dadi.json")
+	if err != nil {
+		panic(err)
+	}
+	dadiConfig = new(Dadi)
+	if err := json.Unmarshal([]byte(body), dadiConfig); err != nil {
+		panic(err)
+	}
+}
+
+func GetDadiConfig() *Dadi {
+	return dadiConfig
+}