diff --git a/src/core/primitive_parser.rs b/src/core/primitive_parser.rs
index 968602c..f692e78 100644
--- a/src/core/primitive_parser.rs
+++ b/src/core/primitive_parser.rs
@@ -271,7 +271,6 @@ mod tests {
     const TESTDIR: &str = "primitive_files";
 
     #[test]
-    
     fn gen_primitive_bin() {
         if let Ok(primitive_info) = init_parse_primitive_files("primitive_files") {
             let serialized_data = bincode::serialize(&primitive_info).unwrap();
diff --git a/src/execute_command/diagnostics.rs b/src/execute_command/diagnostics.rs
index f2c9e92..173272a 100644
--- a/src/execute_command/diagnostics.rs
+++ b/src/execute_command/diagnostics.rs
@@ -21,8 +21,19 @@ pub async fn publish_diagnostics(
 
     // 考虑到性能，如果后端文本缓冲器内存在当前路径的 文本备份，则使用它作为 rope
     // 否则，进行 IO 后再转换
-    let rope = open_doc_as_rope(&pathbuf).unwrap();
-    let diagnostics_params = provide_diagnostics(uri, &rope, &backend.server);
+    info!("open {:?} as rope", pathbuf);
+    let diagnostics_params = if let Some(source) = backend.server.db.get_source(&path_string) {
+        let source_handle = source.read().unwrap();
+        provide_diagnostics(uri, &source_handle.text, &backend.server)
+    } else {
+        // 读取文件，vscode 前端是有可能存在不存在的文件的，如果文件不存在，直接返回
+        let rope = open_doc_as_rope(&pathbuf);
+        if rope.is_none() {
+            return Ok(None);
+        }
+        provide_diagnostics(uri, &rope.unwrap(), &backend.server)
+    };
+
     backend.client.publish_diagnostics(
         diagnostics_params.uri,
         diagnostics_params.diagnostics,