diff --git a/lightrag_webui/src/services/navigation.ts b/lightrag_webui/src/services/navigation.ts
index 12019a0e..d06c86c4 100644
--- a/lightrag_webui/src/services/navigation.ts
+++ b/lightrag_webui/src/services/navigation.ts
@@ -27,6 +27,7 @@ class NavigationService {
     graphStore.setGraphDataFetchAttempted(false);
     graphStore.setLabelsFetchAttempted(false);
     graphStore.setSigmaInstance(null);
+    graphStore.setIsFetching(false); // Reset isFetching state to prevent data loading issues
 
     // Reset backend state
     useBackendState.getState().clear();