diff --git a/metagpt/roles/di/data_analyst.py b/metagpt/roles/di/data_analyst.py
index abb501830..03d04980d 100644
--- a/metagpt/roles/di/data_analyst.py
+++ b/metagpt/roles/di/data_analyst.py
@@ -31,7 +31,7 @@ class DataAnalyst(RoleZero):
     task_type_desc: str = TASK_TYPE_DESC
 
     tools: list[str] = ["Plan", "DataAnalyst", "RoleZero", "Browser"]
-    custom_tools: list[str] = ["machine learning", "web scraping", "Terminal"]
+    custom_tools: list[str] = ["web scraping", "Terminal"]
     custom_tool_recommender: ToolRecommender = None
     experience_retriever: ExpRetriever = KeywordExpRetriever()
 
@@ -72,6 +72,9 @@ class DataAnalyst(RoleZero):
         Args:
             instruction: The specific task description for which the code needs to be written.
         """
+        if self.planner.plan:
+            logger.info(f"Current task {self.planner.plan.current_task}")
+
         counter = 0
         success = False
         await self.execute_code.init_code()
diff --git a/metagpt/tools/tool_recommend.py b/metagpt/tools/tool_recommend.py
index 4bea137c3..cca5cb3ae 100644
--- a/metagpt/tools/tool_recommend.py
+++ b/metagpt/tools/tool_recommend.py
@@ -157,6 +157,10 @@ class ToolRecommender(BaseModel):
             ranked_tools = list(ranked_tools.values())[0]
         # -------------结束---------------
 
+        if not isinstance(ranked_tools, list):
+            logger.warning(f"Invalid rank result: {ranked_tools}, will use the recalled tools instead.")
+            ranked_tools = list(available_tools.keys())
+
         valid_tools = validate_tool_names(ranked_tools)
 
         return list(valid_tools.values())[:topk]