diff --git a/astrbot/core/astr_agent_hooks.py b/astrbot/core/astr_agent_hooks.py
index fa0bb02a..717d4a3e 100644
--- a/astrbot/core/astr_agent_hooks.py
+++ b/astrbot/core/astr_agent_hooks.py
@@ -56,8 +56,10 @@ class MainAgentHooks(BaseAgentRunHooks[AstrAgentContext]):
         )
 
         # 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 3526efdb..57e8667a 100644
--- a/astrbot/core/pipeline/process_stage/utils.py
+++ b/astrbot/core/pipeline/process_stage/utils.py
@@ -41,6 +41,7 @@ TOOL_CALL_PROMPT = (
     "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 = (