diff --git a/bridge/agent_bridge.py b/bridge/agent_bridge.py
index 927e2028..4a54d00c 100644
--- a/bridge/agent_bridge.py
+++ b/bridge/agent_bridge.py
@@ -368,6 +368,7 @@ class AgentBridge:
     
     def steer_session(self, session_id: str, instruction: str):
         """Inject an explicit instruction into one active session."""
+        logger.info(f"[AgentBridge] steer new instruction: session={session_id}, content={instruction}")
         return get_steer_registry().submit(session_id, instruction)
 
     def get_agent(self, session_id: str = None) -> Optional[Agent]:
diff --git a/channel/web/static/js/console.js b/channel/web/static/js/console.js
index 87ecc14f..01355627 100644
--- a/channel/web/static/js/console.js
+++ b/channel/web/static/js/console.js
@@ -1775,10 +1775,13 @@ function resetSendBtnSendMode() {
 }
 
 function updateSteerBtnState() {
+    // Keep the steer button enabled whenever a task is running so users can
+    // fire successive guidance. Empty-input is guarded in steerActiveTask,
+    // avoiding a jarring disabled/not-allowed state right after each steer.
     const active = sendBtnMode === 'cancel' && !!activeRequestId;
     steerBtn.classList.toggle('hidden', !active);
     steerBtn.classList.toggle('flex', active);
-    steerBtn.disabled = !active || uploadingCount > 0 || !chatInput.value.trim();
+    steerBtn.disabled = !active || uploadingCount > 0;
 }
 
 function steerActiveTask() {