feat:去掉不必要的fatal，保留最后的连接userCenter的fatal

rpc/user_center.go

@@ -70,41 +70,39 @@ func (b *Builder) UpdateState(addrs []string) {
 }
 
 func init() {
-	client, err := consulapi.NewClient(consulapi.DefaultConfig()) //非默认情况下需要设置实际的参数
-	mylogrus.MyLog.Infoln(client, err)
-	if err != nil {
-		mylogrus.MyLog.Fatalln(err)
-	}
-	if client == nil {
-		mylogrus.MyLog.Fatalln("Fail to get consul client.")
-	}
 	// 本地环境下不需要userCenter
 	if config.AppIsLocal() {
 		mylogrus.MyLog.Infoln("userCenter is not required in local env.")
 		return
 	}
+	client, err := consulapi.NewClient(consulapi.DefaultConfig()) //非默认情况下需要设置实际的参数
+	if err != nil || client == nil {
+		mylogrus.MyLog.Errorf("consul client fail:%v-%v", err, client)
+	}
 	// 服务发现
 	bd := &Builder{addrs: map[string][]string{"/api": {userCenterAddr}}}
-	cataLog := client.Catalog()
-	if cataLog == nil {
-		mylogrus.MyLog.Fatalln("No catalog.")
-	}
-	services, _, err := cataLog.Service("userCenter", "", nil)
-	if err != nil {
-		mylogrus.MyLog.Fatalln(err)
-	}
-	if len(services) == 0 {
-		mylogrus.MyLog.Fatalln("userCenter not found.")
-	}
-	var addrs []string
-	for _, s := range services {
-		addrs = append(addrs, fmt.Sprintf("%s:%d", s.ServiceAddress, s.ServicePort))
-	}
-	if len(addrs) > 0 {
-		bd = &Builder{addrs: map[string][]string{"/api": addrs}}
-		userCenterAddr = "uc:///api"
+	if client != nil {
+		cataLog := client.Catalog()
+		if cataLog != nil {
+			services, _, err := cataLog.Service("userCenter", "", nil)
+			if err != nil {
+				mylogrus.MyLog.Errorf("cataLog.Service:err%v", err)
+			}
+			if len(services) == 0 {
+				mylogrus.MyLog.Errorf("userCenter not found.")
+			}
+			var addrs []string
+			for _, s := range services {
+				addrs = append(addrs, fmt.Sprintf("%s:%d", s.ServiceAddress, s.ServicePort))
+			}
+			if len(addrs) > 0 {
+				bd = &Builder{addrs: map[string][]string{"/api": addrs}}
+				userCenterAddr = "uc:///api"
+			}
+			mylogrus.MyLog.Infof("userCenterAddr:%v,addr:%v", userCenterAddr, addrs)
+		}
 	}
-	mylogrus.MyLog.Infof("userCenterAddr:%v,addr:%v", userCenterAddr, addrs)
+	mylogrus.MyLog.Infof("connect userCenterAddr:%v", userCenterAddr)
 	resolver.Register(bd)
 	go func() {
 		address := consulapi.DefaultConfig().Address // 用consul api的default config