diff --git a/server/src/grading/driver.ts b/server/src/grading/driver.ts
index d43a377..b54ab77 100644
--- a/server/src/grading/driver.ts
+++ b/server/src/grading/driver.ts
@@ -129,6 +129,8 @@ export class ProgramDriver {
   }
 
   act(node: ControlNode, action: UserAction) {
+    // 和浏览器一样同步记下输入的文字（运行器不回传）
+    if (action.action === 'text') node.props.Text = action.value
     this.send({ type: 'action', id: node.id, ...action })
   }
 
diff --git a/web/src/run/session.ts b/web/src/run/session.ts
index df0f2ca..f4e6e45 100644
--- a/web/src/run/session.ts
+++ b/web/src/run/session.ts
@@ -95,6 +95,11 @@ export function createRunSession() {
 
   function act(id: string, action: UserAction) {
     actionSentAt = performance.now()
+    // 输入的文字运行器不再回传，这里同步记下；否则程序再把 Text 设成原来的值时，属性"没变"，输入框不会刷新
+    if (action.action === 'text') {
+      const node = nodes.get(id)
+      if (node) node.props.Text = action.value
+    }
     send({ type: 'action', id, ...action } as ClientMessage)
   }