diff --git a/libs/appflowy-ai-client/tests/chat_test/embedding_test.rs b/libs/appflowy-ai-client/tests/chat_test/embedding_test.rs
index e5565a11..1536a58b 100644
--- a/libs/appflowy-ai-client/tests/chat_test/embedding_test.rs
+++ b/libs/appflowy-ai-client/tests/chat_test/embedding_test.rs
@@ -16,5 +16,5 @@ async fn embedding_test() {
   };
   let result = client.embeddings(request).await.unwrap();
   assert!(result.total_tokens > 0);
-  assert!(result.data.len() > 0);
+  assert!(!result.data.is_empty());
 }
diff --git a/services/appflowy-indexer/src/extract.rs b/services/appflowy-indexer/src/extract.rs
index 407c7ce9..5168dbba 100644
--- a/services/appflowy-indexer/src/extract.rs
+++ b/services/appflowy-indexer/src/extract.rs
@@ -58,7 +58,7 @@ fn push_deltas_to_str(buf: &mut String, deltas: Vec<TextDelta>) {
     if let TextDelta::Inserted(text, _) = delta {
       let trimmed = text.trim();
       if !trimmed.is_empty() {
-        buf.push_str(&trimmed);
+        buf.push_str(trimmed);
         buf.push(' ');
       }
     }
diff --git a/services/appflowy-indexer/src/watchers/document_watcher.rs b/services/appflowy-indexer/src/watchers/document_watcher.rs
index 88580f31..3c937ba0 100644
--- a/services/appflowy-indexer/src/watchers/document_watcher.rs
+++ b/services/appflowy-indexer/src/watchers/document_watcher.rs
@@ -49,7 +49,7 @@ impl DocumentWatcher {
 
   fn index_initial_content(document: &mut Document, notifier: &Sender<u64>) -> Result<()> {
     let data = document.get_document_data()?;
-    if let Some(_) = data.meta.text_map.as_ref() {
+    if data.meta.text_map.as_ref().is_some() {
       notifier.send_modify(|i| *i += 1);
     }
     Ok(())