From 66012130685af725f3a188b514a5bbe624c41d13 Mon Sep 17 00:00:00 2001
From: cat_shark <1716967236@qq.com>
Date: Thu, 21 May 2026 16:26:45 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E5=96=84=E5=86=99=E4=BD=9C=E7=B1=BB?=
 =?UTF-8?q?=E9=A2=98=E5=9E=8B=E7=9A=84=E5=A4=84=E7=90=86=E9=80=BB=E8=BE=91?=
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---
 ef_course_autopilot.py | 34 ++++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/ef_course_autopilot.py b/ef_course_autopilot.py
index a579b8a..4bf9029 100755
--- a/ef_course_autopilot.py
+++ b/ef_course_autopilot.py
@@ -311,23 +311,33 @@ def build_response_categorisation(task: TaskInfo) -> dict:
 
 
 def build_response_writing_challenge(task: TaskInfo) -> dict:
-    """writing-challenge: 写作挑战 — 优先使用expectedResponse，否则提交占位文本"""
+    """writing-challenge: 写作挑战 — 优先使用expectedResponse，否则生成足够字数的占位文本"""
     expected = task.expected_response.get("contents", {}).get("writingChallenge", {})
-    if expected:
+    if expected and expected.get("userInput", "").strip():
         return {"writingChallenge": expected}
 
-    # 回退：提交一段较长占位文本（确保满足最低字数要求）
+    # 从task_detail获取字数要求
+    min_words = task.task_detail.get("writingChallenge", {}).get("minWordCount", 20)
+
+    # 生成满足最低字数要求的占位文本
+    paragraph = (
+        "I think this is a very interesting topic. There are many things "
+        "to consider when writing about this subject. First of all, it is "
+        "important to understand the main ideas and think carefully about "
+        "the best way to express your thoughts. In my opinion, practice "
+        "is the key to success and everyone should try their best to "
+        "improve their skills every day. This is why I believe that "
+        "learning English is very useful for communication with people "
+        "from different countries and cultures around the world."
+    )
+    word_count = len(paragraph.split())
+    if word_count < min_words:
+        repeat = (min_words // word_count) + 1
+        paragraph = " ".join([paragraph] * repeat)
+
     return {
         "writingChallenge": {
-            "userInput": (
-                "I think this is a good topic. There are many things to consider "
-                "when writing about this subject. First of all, it is important to "
-                "understand the main ideas and think carefully about the best way to "
-                "express your thoughts. In my opinion, practice is the key to success "
-                "and everyone should try their best to improve their skills every day. "
-                "This is why I believe that learning English is very useful for "
-                "communication with people from different countries and cultures."
-            ),
+            "userInput": paragraph,
         }
     }