diff --git a/kclvm/sema/src/advanced_resolver/node.rs b/kclvm/sema/src/advanced_resolver/node.rs
index 19284cde6..d7f085c11 100644
--- a/kclvm/sema/src/advanced_resolver/node.rs
+++ b/kclvm/sema/src/advanced_resolver/node.rs
@@ -1007,10 +1007,36 @@ impl<'ctx> AdvancedResolver<'ctx> {
                 if maybe_def {
                     let (start_pos, end_pos): Range = first_name.get_span_pos();
                     let ast_id = first_name.id.clone();
-                    let first_value = self.gs.get_symbols_mut().alloc_value_symbol(
-                        ValueSymbol::new(first_name.node.clone(), start_pos, end_pos, None, false),
-                        self.ctx.get_node_key(&ast_id),
-                    );
+
+                    let ty = self
+                        .ctx
+                        .node_ty_map
+                        .get(&self.ctx.get_node_key(&first_name.id));
+                    let first_value = match ty {
+                        Some(ty) if matches!(ty.kind, TypeKind::Function(_)) => {
+                            self.gs.get_symbols_mut().alloc_function_symbol(
+                                FunctionSymbol::new(
+                                    first_name.node.clone(),
+                                    start_pos,
+                                    end_pos,
+                                    None,
+                                    false,
+                                ),
+                                self.ctx.get_node_key(&ast_id),
+                            )
+                        }
+                        _ => self.gs.get_symbols_mut().alloc_value_symbol(
+                            ValueSymbol::new(
+                                first_name.node.clone(),
+                                start_pos,
+                                end_pos,
+                                None,
+                                false,
+                            ),
+                            self.ctx.get_node_key(&ast_id),
+                        ),
+                    };
+
                     self.gs.get_scopes_mut().add_def_to_scope(
                         cur_scope,
                         first_name.node.clone(),
diff --git a/kclvm/tools/src/LSP/src/semantic_token.rs b/kclvm/tools/src/LSP/src/semantic_token.rs
index b87acf16d..c8fa82614 100644
--- a/kclvm/tools/src/LSP/src/semantic_token.rs
+++ b/kclvm/tools/src/LSP/src/semantic_token.rs
@@ -155,7 +155,7 @@ mod tests {
             (1, 4, 4, 2),  // name
             (2, 0, 1, 0),  // n
             (0, 3, 3, 4),  // num
-            (2, 0, 4, 0),  // func
+            (2, 0, 4, 8),  // func
             (0, 14, 1, 0), // x
             (1, 4, 1, 0),  // x
         ];