diff --git a/kclvm/sema/src/resolver/import.rs b/kclvm/sema/src/resolver/import.rs
index 9844f7f34..e65a85ae0 100644
--- a/kclvm/sema/src/resolver/import.rs
+++ b/kclvm/sema/src/resolver/import.rs
@@ -92,8 +92,10 @@ impl<'ctx> Resolver<'ctx> {
                                 match self.ctx.import_names.get_mut(&self.ctx.filename) {
                                     Some(mapping) => {
                                         // 'import sub as s' and 'import sub.sub as s' will raise this error.
-                                        // 'import sub' and 'import sub' will not raise this error. 
-                                        if mapping.get(&import_stmt.name).is_some() && import_stmt.asname.is_some() {
+                                        // 'import sub' and 'import sub' will not raise this error.
+                                        if mapping.get(&import_stmt.name).is_some()
+                                            && import_stmt.asname.is_some()
+                                        {
                                             self.handler.add_compile_error(
                                                 &format!(
                                                     "the name '{}' is defined multiple times, '{}' must be defined only once",