Refactor code

Signed-off-by: trafalgarzzz <[email protected]>

pkg/ddc/thin/shutdown.go

@@ -69,15 +69,14 @@ func (t *ThinEngine) destroyMaster() (err error) {
 		if err != nil {
 			return
 		}
-		return
-	}
-
-	// When upgrade Fluid to v1.0.0+ from a lower version, there may be some orphaned configmaps when deleting a ThinRuntime if it's created before the upgradation.
-	// Detect such orphaned configmaps and clean them up.
-	err = t.cleanUpOrphanedResources()
-	if err != nil {
-		t.Log.Info("WARNING: failed to delete orphaned resource, some resources may not be cleaned up in the cluster", "err", err)
-		err = nil
+	} else {
+		// When upgrade Fluid to v1.0.0+ from a lower version, there may be some orphaned configmaps when deleting a ThinRuntime if it's created before the upgradation.
+		// Detect such orphaned configmaps and clean them up.
+		err = t.cleanUpOrphanedResources()
+		if err != nil {
+			t.Log.Info("WARNING: failed to delete orphaned resource, some resources may not be cleaned up in the cluster", "err", err)
+			err = nil
+		}
 	}
 
 	return