diff --git a/kclvm/sema/src/advanced_resolver/node.rs b/kclvm/sema/src/advanced_resolver/node.rs
index e1f4970a8..2aa28ea9d 100644
--- a/kclvm/sema/src/advanced_resolver/node.rs
+++ b/kclvm/sema/src/advanced_resolver/node.rs
@@ -1001,6 +1001,20 @@ impl<'ctx> AdvancedResolver<'ctx> {
                     doc: None,
                 };
             }
+
+            if self.ctx.maybe_def && identifier.node.names.len() > 0 {
+                let cur_scope = *self.ctx.scopes.last().unwrap();
+                match cur_scope.kind {
+                    crate::core::scope::ScopeKind::Local => {
+                        self.gs.get_scopes_mut().add_def_to_scope(
+                            cur_scope,
+                            identifier.node.names.last().unwrap().node.clone(),
+                            identifier_symbol,
+                        );
+                    }
+                    crate::core::scope::ScopeKind::Root => {}
+                }
+            }
             identifier_symbol
         } else {
             self.resolve_names(&identifier.node.names, self.ctx.maybe_def)?
diff --git a/kclvm/sema/src/core/symbol.rs b/kclvm/sema/src/core/symbol.rs
index fa842283c..3d406bb7d 100644
--- a/kclvm/sema/src/core/symbol.rs
+++ b/kclvm/sema/src/core/symbol.rs
@@ -647,7 +647,7 @@ impl SymbolData {
         self.symbols_info
             .symbol_node_map
             .insert(symbol_ref, node_key);
-        self.exprs.get_mut(symbol_id).unwrap().id = Some(symbol_ref);
+        self.comments.get_mut(symbol_id).unwrap().id = Some(symbol_ref);
         Some(symbol_ref)
     }
 
diff --git a/kclvm/tools/src/LSP/src/hover.rs b/kclvm/tools/src/LSP/src/hover.rs
index 4aa1de38e..867eb264d 100644
--- a/kclvm/tools/src/LSP/src/hover.rs
+++ b/kclvm/tools/src/LSP/src/hover.rs
@@ -51,6 +51,7 @@ pub(crate) fn hover(
                     },
                     _ => {}
                 },
+                kclvm_sema::core::symbol::SymbolKind::Expression => return None,
                 _ => {
                     let ty_str = match &obj.get_sema_info().ty {
                         Some(ty) => ty.ty_str(),
@@ -448,4 +449,24 @@ mod tests {
             _ => unreachable!("test error"),
         }
     }
+
+    #[test]
+    #[bench_test]
+    fn schema_scope_variable_hover() {
+        let (file, program, _, _, gs) = compile_test_file("src/test_data/hover_test/fib.k");
+        let pos = KCLPos {
+            filename: file.clone(),
+            line: 3,
+            column: Some(11),
+        };
+        let got = hover(&program, &pos, &gs).unwrap();
+        match got.contents {
+            lsp_types::HoverContents::Scalar(marked_string) => {
+                if let MarkedString::String(s) = marked_string {
+                    assert_eq!(s, "n1: int");
+                }
+            }
+            _ => unreachable!("test error"),
+        }
+    }
 }