diff --git a/metagpt/roles/product_manager.py b/metagpt/roles/product_manager.py
index 1f66758ea..d08933cb0 100644
--- a/metagpt/roles/product_manager.py
+++ b/metagpt/roles/product_manager.py
@@ -35,9 +35,9 @@ class ProductManager(Role):
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
         self.enable_memory = False
-        self.rc.react_mode = RoleReactMode.BY_ORDER
         self.set_actions([PrepareDocuments(send_to=any_to_str(self)), WritePRD])
         self._watch([UserRequirement, PrepareDocuments])
+        self.rc.react_mode = RoleReactMode.BY_ORDER
         self.todo_action = any_to_name(WritePRD)
 
     async def _think(self) -> bool: