Env: configure urls and help documents

Change-Id: I9522e074575e0c1e67735462ac4cc266ab1ebb8c
diff --git a/core/installer/app_manager.go b/core/installer/app_manager.go
index 8ca42f2..56129f5 100644
--- a/core/installer/app_manager.go
+++ b/core/installer/app_manager.go
@@ -54,6 +54,7 @@
 }
 
 func (m *AppManager) FindAllInstances() ([]AppInstanceConfig, error) {
+	m.repoIO.Pull()
 	kust, err := soft.ReadKustomization(m.repoIO, filepath.Join(m.appDirRoot, "kustomization.yaml"))
 	if err != nil {
 		return nil, err