diff --git a/app/question_gen/__init__.py b/app/question_gen/__init__.py
index 9867a7d..6dab48e 100644
--- a/app/question_gen/__init__.py
+++ b/app/question_gen/__init__.py
@@ -1,5 +1,18 @@
-"""出题模块 — benchmark 加载与分层采样。"""
+"""出题模块 — benchmark 加载、分层采样与赛题合成。"""
 
 from app.question_gen.loader import load_benchmark, stratified_sample
+from app.question_gen.synthesizer import (
+    TASK_TYPE_LEVEL_MAP,
+    AnchorContext,
+    generate_one,
+    sample_anchor,
+)
 
-__all__ = ["load_benchmark", "stratified_sample"]
+__all__ = [
+    "load_benchmark",
+    "stratified_sample",
+    "TASK_TYPE_LEVEL_MAP",
+    "AnchorContext",
+    "generate_one",
+    "sample_anchor",
+]