com.alibaba.dubbo.governance.web.governance.module.screen.Providers#getServiceAppMap 
at line 133 ， should be providers.size > 0 or just delete this comparison cause the next for will skip if proviers.size == 0
int count = 1;
                for (String v : values) {
                    if (count <= 10) {
                        if (!value.equals(v)) {
                            newCookiev = newCookiev + separatorsB + v;
                        }
                    }
                    count++;
                }
                break;
            }
        }
        Cookie _cookie = new Cookie("HISTORY", newCookiev);
        _cookie.setMaxAge(60 * 60 * 24 * 7); 
        _cookie.setPath("/");
        response.addCookie(_cookie); 
    }
    public void show(Long id, Map<String, Object> context) {
        Provider provider = providerService.findProvider(id);
        if (provider != null && provider.isDynamic()) {
            List<Override> overrides = overrideService.findByServiceAndAddress(provider.getService(), provider.getAddress());
            OverrideUtils.setProviderOverrides(provider, overrides);
        }
        context.put("provider", provider);
    }
    /**
     * Load new service page, get all the service name
     *
     * @param context
     */