diff --git a/astrbot/core/astr_agent_hooks.py b/astrbot/core/astr_agent_hooks.py
index fa0bb02a9..717d4a3e1 100644
--- a/astrbot/core/astr_agent_hooks.py
+++ b/astrbot/core/astr_agent_hooks.py
@@ -56,8 +56,10 @@ async def on_tool_end(
         )
 
         # special handle web_search_tavily
+        platform_name = run_context.context.event.get_platform_name()
         if (
-            tool.name == "web_search_tavily"
+            platform_name == "webchat"
+            and tool.name == "web_search_tavily"
             and len(run_context.messages) > 0
             and tool_result
             and len(tool_result.content)
diff --git a/astrbot/core/pipeline/process_stage/utils.py b/astrbot/core/pipeline/process_stage/utils.py
index 3526efdb0..57e8667af 100644
--- a/astrbot/core/pipeline/process_stage/utils.py
+++ b/astrbot/core/pipeline/process_stage/utils.py
@@ -41,6 +41,7 @@
     "You MUST NOT return an empty response, especially after invoking a tool."
     "Before calling any tool, provide a brief explanatory message to the user stating the purpose of the tool call."
     "After the tool call is completed, you must briefly summarize the results returned by the tool for the user."
+    "Keep the role-play and style consistent throughout the conversation."
 )
 
 CHATUI_SPECIAL_DEFAULT_PERSONA_PROMPT = (