diff --git a/metagpt/document_store/faiss_store.py b/metagpt/document_store/faiss_store.py
index 2359917d5..54585dcfc 100644
--- a/metagpt/document_store/faiss_store.py
+++ b/metagpt/document_store/faiss_store.py
@@ -37,7 +37,11 @@ class FaissStore(LocalStore):
         return FAISS.load_local(self.raw_data_path.parent, self.embedding, self.fname)
 
     def _write(self, docs, metadatas):
-        store = FAISS.from_texts(docs, self.embedding, metadatas=metadatas)
+        try:
+            store = FAISS.from_texts(docs, self.embedding, metadatas=metadatas)
+        except Exception as e:
+            logger.error(f"Failed to write. error: {e}")
+            raise e
         return store
 
     def persist(self):
diff --git a/metagpt/roles/role.py b/metagpt/roles/role.py
index 47a4f45a7..c363d332c 100644
--- a/metagpt/roles/role.py
+++ b/metagpt/roles/role.py
@@ -524,6 +524,7 @@ class Role(SerializationMixin, ContextMixin, BaseModel):
 
     async def think(self) -> Action:
         """The exported `think` function"""
+        await self._observe()
         await self._think()
         return self.rc.todo
 
@@ -533,9 +534,14 @@ class Role(SerializationMixin, ContextMixin, BaseModel):
         return ActionOutput(content=msg.content, instruct_content=msg.instruct_content)
 
     @property
-    def first_action(self) -> str:
-        """AgentStore uses this attribute to display to the user what actions the current role should take."""
-        # FIXME: this is a hack, we should not use the first action to represent the todo
+    def action_description(self) -> str:
+        """
+        AgentStore uses this attribute to display to the user what actions the current role should take.
+        """
+        if self.rc.todo:
+            if self.rc.todo.desc:
+                return self.rc.todo.desc
+            return any_to_name(self.rc.todo)
         if self.actions:
             return any_to_name(self.actions[0])
         return ""
diff --git a/requirements.txt b/requirements.txt
index 0a54236f0..f8e4d2585 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ lancedb==0.4.0
 langchain==0.0.352
 loguru==0.6.0
 meilisearch==0.21.0
-numpy==1.24.3
+numpy>=1.24.3
 openai==1.6.0
 openpyxl
 beautifulsoup4==4.12.2