Ingress controller nginx kubernetes not working

I facing a problem in an ingress controller nginx kubernetes that is deployed in minikube : when i included the route that nginx will use to redirect the request it didn't work , however when i remove the route it work : So , as is explained in yaml file when i use /category it didn't work , however with with just / it is working

---- load balancer ---
    apiVersion: extensions/v1beta1
    kind: Ingress
    metadata:
      name: spare-ingress-dev
      namespace: default
      annotations:
        kubernetes.io/ingress.class: nginx
        nginx.ingress.kubernetes.io/rewrite-target: /
    spec:
      rules:
         - http:
            paths:
              - path: /
                backend:
                  serviceName: cluster-test-ip
                  servicePort: 80
              - path: /category/
                backend:
                  serviceName: cluster-category-ip
                  servicePort: 5200

----service-----

    apiVersion: v1
    kind: Service
    metadata:
      name: cluster-category-ip
    spec:
      selector:
        app: category
      ports:
        - port: 5200
          targetPort: 5200