diff --git a/gateway/scripts/dashboard.py b/gateway/scripts/dashboard.py
index 8dac035..89639a4 100644
--- a/gateway/scripts/dashboard.py
+++ b/gateway/scripts/dashboard.py
@@ -1487,17 +1487,24 @@ def _collect_kimi_usage():
     """SSH 到 Windows 跑 usage_collector_kimi.py，scp 结果回 246。
 
     被 /api/usage/refresh 和 usage auto-timer 共用，保证 Kimi 数据新鲜。
+    注意: Windows 控制台默认 GBK 编码，SSH 输出需容错解码（bytes + errors=replace），
+    否则中文日志会让 text=True 的 UTF-8 解码抛异常，导致 scp 步骤不执行。
     """
     log.info("usage: starting Kimi collector via SSH")
     kimi_cmd = [
         "ssh", "-o", "StrictHostKeyChecking=no", "-o", "ConnectTimeout=10",
         "-o", "BatchMode=yes", "hmo@192.168.1.16",
-        r'"C:\Users\hmo\AppData\Local\Programs\Python\Python310\python.exe" "D:\F\NewI\opencode\daily-workspace\projects\AgentsMeeting\gateway\scripts\usage_collector_kimi.py"'
+        r'cmd /c "set PYTHONIOENCODING=utf-8 && C:\Users\hmo\AppData\Local\Programs\Python\Python310\python.exe D:\F\NewI\opencode\daily-workspace\projects\AgentsMeeting\gateway\scripts\usage_collector_kimi.py"'
     ]
-    proc2 = subprocess.run(kimi_cmd, capture_output=True, text=True, timeout=60)
+    proc2 = subprocess.run(kimi_cmd, capture_output=True, timeout=60)
     log.info(f"usage: Kimi done (rc={proc2.returncode})")
     if proc2.returncode != 0 and proc2.stderr:
-        log.warning(f"usage_kimi stderr: {proc2.stderr[-300:]}")
+        # Windows 输出可能是 GBK，容错解码
+        try:
+            err_text = proc2.stderr.decode("utf-8", errors="replace")
+        except Exception:
+            err_text = repr(proc2.stderr[-300:])
+        log.warning(f"usage_kimi stderr: {err_text[-300:]}")
 
     # scp Kimi 结果回 246
     scp_cmd = [
@@ -1515,12 +1522,16 @@ def _collect_sensenova_usage():
     sn_cmd = [
         "ssh", "-o", "StrictHostKeyChecking=no", "-o", "ConnectTimeout=10",
         "-o", "BatchMode=yes", "hmo@192.168.1.16",
-        r'"C:\Users\hmo\AppData\Local\Programs\Python\Python310\python.exe" "D:\F\NewI\opencode\daily-workspace\projects\AgentsMeeting\gateway\scripts\usage_collector_sensenova.py"'
+        r'cmd /c "set PYTHONIOENCODING=utf-8 && C:\Users\hmo\AppData\Local\Programs\Python\Python310\python.exe D:\F\NewI\opencode\daily-workspace\projects\AgentsMeeting\gateway\scripts\usage_collector_sensenova.py"'
     ]
-    proc4 = subprocess.run(sn_cmd, capture_output=True, text=True, timeout=90)
+    proc4 = subprocess.run(sn_cmd, capture_output=True, timeout=90)
     log.info(f"usage: SenseNova done (rc={proc4.returncode})")
     if proc4.returncode != 0 and proc4.stderr:
-        log.warning(f"usage_sensenova stderr: {proc4.stderr[-300:]}")
+        try:
+            sn_err = proc4.stderr.decode("utf-8", errors="replace")
+        except Exception:
+            sn_err = repr(proc4.stderr[-300:])
+        log.warning(f"usage_sensenova stderr: {sn_err[-300:]}")
     scp4 = subprocess.run([
         "scp", "-o", "StrictHostKeyChecking=no", "-o", "ConnectTimeout=10",
         "hmo@192.168.1.16:D:/F/NewI/opencode/daily-workspace/projects/AgentsMeeting/gateway/temp/usage_stats_sensenova.json",