- weixin msg added.

- elm sometimes have no delivery msg
- elm sometimes delivery msg arrvied before finished pickup
- the gap between finished pickup and first delivery msg is big

business/model/const.go

@@ -18,8 +18,17 @@ const (
 var (
 	VendorNames = map[int]string{
 		VendorIDJD:   "JD",
-		VendorIDELM:  "ELEME",
 		VendorIDMTWM: "MT",
+		VendorIDELM:  "ELEME",
+		VendorIDDada: "Dada",
+		VendorIDMTPS: "MTPS",
+	}
+	VendorChineseNames = map[int]string{
+		VendorIDJD:   "京东",
+		VendorIDMTWM: "美团",
+		VendorIDELM:  "饿了么",
+		VendorIDDada: "达达众包",
+		VendorIDMTPS: "美团配送",
 	}
 )