diff --git a/kclvm/sema/src/resolver/node.rs b/kclvm/sema/src/resolver/node.rs
index cd257871c..ea2293585 100644
--- a/kclvm/sema/src/resolver/node.rs
+++ b/kclvm/sema/src/resolver/node.rs
@@ -158,14 +158,6 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
                         value_ty = self.expr(&assign_stmt.value);
                         self.clear_config_expr_context(init_stack_depth as usize, false)
                     }
-                    TypeKind::Dict(_) => {
-                        value_ty = self.expr(&assign_stmt.value);
-                        if !assign_stmt.type_annotation.is_none() {
-                            // Check type annotation if exists.
-                            self.check_assignment_type_annotation(assign_stmt, value_ty.clone());
-                        }
-                        self.set_type_to_scope(name, value_ty.clone(), &target.node.names[0]);
-                    }
                     _ => {
                         value_ty = self.expr(&assign_stmt.value);
                         // Check type annotation if exists.
diff --git a/kclvm/sema/src/resolver/test_data/ty_in_lambda.k b/kclvm/sema/src/resolver/test_data/ty_in_lambda.k
new file mode 100644
index 000000000..4b9a1929c
--- /dev/null
+++ b/kclvm/sema/src/resolver/test_data/ty_in_lambda.k
@@ -0,0 +1,9 @@
+_b = True
+a = lambda item: {str:}, c: {str:} -> {str:str} {
+    result = {"aaa": "bbb"}
+    if _b :
+        result = {}
+    result
+}
+
+result = {"ccc": "ddd"}
diff --git a/kclvm/sema/src/resolver/tests.rs b/kclvm/sema/src/resolver/tests.rs
index b7c78100c..19fae70b5 100644
--- a/kclvm/sema/src/resolver/tests.rs
+++ b/kclvm/sema/src/resolver/tests.rs
@@ -775,3 +775,28 @@ fn test_schema_params_count() {
         "expected 1 positional argument, found 0"
     );
 }
+
+#[test]
+fn test_set_ty_in_lambda() {
+    let sess = Arc::new(ParseSession::default());
+    let mut program = load_program(
+        sess.clone(),
+        &["./src/resolver/test_data/ty_in_lambda.k"],
+        None,
+        None,
+    )
+    .unwrap();
+    assert_eq!(
+        resolve_program(&mut program)
+            .main_scope()
+            .unwrap()
+            .borrow()
+            .lookup("result")
+            .unwrap()
+            .borrow()
+            .ty
+            .clone()
+            .ty_str(),
+        "{str:str}"
+    );
+}
diff --git a/kclvm/tools/src/LSP/src/hover.rs b/kclvm/tools/src/LSP/src/hover.rs
index dd87e4db7..31ce61c22 100644
--- a/kclvm/tools/src/LSP/src/hover.rs
+++ b/kclvm/tools/src/LSP/src/hover.rs
@@ -384,6 +384,27 @@ mod tests {
         }
     }
 
+    #[test]
+    #[bench_test]
+    fn assignment_ty_in_lambda_hover() {
+        let (file, program, prog_scope, _, gs) =
+            compile_test_file("src/test_data/hover_test/ty_in_lambda.k");
+        let pos = KCLPos {
+            filename: file.clone(),
+            line: 3,
+            column: Some(8),
+        };
+        let got = hover(&program, &pos, &prog_scope, &gs).unwrap();
+        match got.contents {
+            lsp_types::HoverContents::Scalar(marked_string) => {
+                if let MarkedString::String(s) = marked_string {
+                    assert_eq!(s, "result: {str:str}");
+                }
+            }
+            _ => unreachable!("test error"),
+        }
+    }
+
     #[test]
     #[bench_test]
     fn str_var_func_hover() {
diff --git a/kclvm/tools/src/LSP/src/test_data/hover_test/ty_in_lambda.k b/kclvm/tools/src/LSP/src/test_data/hover_test/ty_in_lambda.k
new file mode 100644
index 000000000..4b9a1929c
--- /dev/null
+++ b/kclvm/tools/src/LSP/src/test_data/hover_test/ty_in_lambda.k
@@ -0,0 +1,9 @@
+_b = True
+a = lambda item: {str:}, c: {str:} -> {str:str} {
+    result = {"aaa": "bbb"}
+    if _b :
+        result = {}
+    result
+}
+
+result = {"ccc": "ddd"}