diff --git a/kclvm/sema/src/advanced_resolver/node.rs b/kclvm/sema/src/advanced_resolver/node.rs
index ce8bb7eda..cf04c73b3 100644
--- a/kclvm/sema/src/advanced_resolver/node.rs
+++ b/kclvm/sema/src/advanced_resolver/node.rs
@@ -52,6 +52,61 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for AdvancedResolver<'ctx> {
     ) -> Self::Result {
         self.ctx.maybe_def = true;
         self.walk_identifier_expr(&unification_stmt.target)?;
+        // Set schema attribute if it is in the schema stmt.
+        if let Some(parent_scope) = self.ctx.scopes.last() {
+            if let Some(parent_scope) = self.gs.get_scopes().get_scope(&parent_scope) {
+                let mut doc = None;
+                if let Some(schema_symbol) = parent_scope.get_owner() {
+                    let schema_symbol = self
+                        .gs
+                        .get_symbols()
+                        .get_symbol(schema_symbol)
+                        .ok_or(anyhow!("schema_symbol not found"))?;
+                    if let Some(schema_ty) = schema_symbol.get_sema_info().ty.clone() {
+                        if !unification_stmt.target.node.names.is_empty() {
+                            let schema_ty = schema_ty.into_schema_type();
+                            if let Some(attr) = schema_ty
+                                .attrs
+                                .get(&unification_stmt.target.node.names[0].node)
+                            {
+                                doc = attr.doc.clone()
+                            }
+                            let attr_symbol = self
+                                .gs
+                                .get_symbols()
+                                .symbols_info
+                                .node_symbol_map
+                                .get(
+                                    &self
+                                        .ctx
+                                        .get_node_key(&unification_stmt.target.node.names[0].id),
+                                )
+                                .cloned();
+                            if let Some(attr_symbol) = attr_symbol {
+                                if let Some(symbol) = self
+                                    .gs
+                                    .get_symbols_mut()
+                                    .attributes
+                                    .get_mut(attr_symbol.get_id())
+                                {
+                                    symbol.sema_info = SymbolSemanticInfo {
+                                        ty: self
+                                            .ctx
+                                            .node_ty_map
+                                            .borrow()
+                                            .get(&self.ctx.get_node_key(
+                                                &unification_stmt.target.node.names[0].id,
+                                            ))
+                                            .map(|ty| ty.clone()),
+                                        doc,
+                                    };
+                                }
+                            }
+                        }
+                    }
+                };
+            }
+        }
         self.ctx.maybe_def = false;
         self.walk_schema_expr(&unification_stmt.value.node)?;
         Ok(None)
diff --git a/kclvm/sema/src/namer/node.rs b/kclvm/sema/src/namer/node.rs
index e07af9545..39f2c79ef 100644
--- a/kclvm/sema/src/namer/node.rs
+++ b/kclvm/sema/src/namer/node.rs
@@ -59,27 +59,41 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Namer<'ctx> {
                 .get_fully_qualified_name(owner)
                 .unwrap();
             let value_name = unification_stmt.target.node.get_name();
-            let value_fully_qualified_name = owner_fully_qualified_name + "." + &value_name;
-            if !self
-                .ctx
-                .value_fully_qualified_name_set
-                .contains(&value_fully_qualified_name)
-            {
-                let value_ref = self.gs.get_symbols_mut().alloc_value_symbol(
-                    ValueSymbol::new(value_name, start_pos, end_pos, Some(owner), true),
-                    self.ctx.get_node_key(&unification_stmt.target.id),
+            if self.gs.get_symbols().get_schema_symbol(owner).is_some() {
+                let attribute_ref = self.gs.get_symbols_mut().alloc_attribute_symbol(
+                    AttributeSymbol::new(value_name, start_pos, end_pos, owner, false),
+                    self.ctx
+                        .get_node_key(&unification_stmt.target.node.names[0].id),
                     self.ctx
                         .current_package_info
                         .clone()
                         .unwrap()
                         .fully_qualified_name,
                 );
-                self.ctx
-                    .value_fully_qualified_name_set
-                    .insert(value_fully_qualified_name);
-                Some(vec![value_ref])
+                Some(vec![attribute_ref])
             } else {
-                None
+                let value_fully_qualified_name = owner_fully_qualified_name + "." + &value_name;
+                if !self
+                    .ctx
+                    .value_fully_qualified_name_set
+                    .contains(&value_fully_qualified_name)
+                {
+                    let value_ref = self.gs.get_symbols_mut().alloc_value_symbol(
+                        ValueSymbol::new(value_name, start_pos, end_pos, Some(owner), true),
+                        self.ctx.get_node_key(&unification_stmt.target.id),
+                        self.ctx
+                            .current_package_info
+                            .clone()
+                            .unwrap()
+                            .fully_qualified_name,
+                    );
+                    self.ctx
+                        .value_fully_qualified_name_set
+                        .insert(value_fully_qualified_name);
+                    Some(vec![value_ref])
+                } else {
+                    None
+                }
             }
         } else {
             None
diff --git a/kclvm/tools/src/LSP/src/goto_def.rs b/kclvm/tools/src/LSP/src/goto_def.rs
index c6d613c1f..b7fc0b76d 100644
--- a/kclvm/tools/src/LSP/src/goto_def.rs
+++ b/kclvm/tools/src/LSP/src/goto_def.rs
@@ -455,4 +455,11 @@ mod tests {
         4,
         12
     );
+
+    goto_def_test_snapshot!(
+        goto_unification_schema_attr_test,
+        "src/test_data/goto_def_test/goto_unification_schema_attr_test/goto_unification_schema_attr_test.k",
+        7,
+        7
+    );
 }
diff --git a/kclvm/tools/src/LSP/src/snapshots/kcl_language_server__goto_def__tests__goto_unification_schema_attr_test.snap b/kclvm/tools/src/LSP/src/snapshots/kcl_language_server__goto_def__tests__goto_unification_schema_attr_test.snap
new file mode 100644
index 000000000..7b968d1db
--- /dev/null
+++ b/kclvm/tools/src/LSP/src/snapshots/kcl_language_server__goto_def__tests__goto_unification_schema_attr_test.snap
@@ -0,0 +1,5 @@
+---
+source: tools/src/LSP/src/goto_def.rs
+expression: "format!(\"{:?}\", { fmt_resp(& res) })"
+---
+"path: \"src/test_data/goto_def_test/goto_unification_schema_attr_test/goto_unification_schema_attr_test.k\", range: Range { start: Position { line: 3, character: 4 }, end: Position { line: 3, character: 12 } }"
diff --git a/kclvm/tools/src/LSP/src/test_data/goto_def_test/goto_unification_schema_attr_test/goto_unification_schema_attr_test.k b/kclvm/tools/src/LSP/src/test_data/goto_def_test/goto_unification_schema_attr_test/goto_unification_schema_attr_test.k
new file mode 100644
index 000000000..a862bb026
--- /dev/null
+++ b/kclvm/tools/src/LSP/src/test_data/goto_def_test/goto_unification_schema_attr_test/goto_unification_schema_attr_test.k
@@ -0,0 +1,8 @@
+schema Metadata:
+
+schema Object:
+    metadata: Metadata {}
+
+o = Object {
+    metadata: {}
+}