EasyOCR修复: 1)worker加顶层异常捕获确保stderr可见 2)竞态保护:stdin写入前检查proc非None 3)增加处理日志 4)超时改30s

monitor.py

@@ -1159,6 +1159,9 @@ class MessageMonitor:
             img_b64 = base64.b64encode(buf.getvalue()).decode()
 
             with self._easyocr_lock:
+                # ⚠ 竞态保护：另一个线程可能已杀死进程并设 None
+                if not self._easyocr_proc or self._easyocr_proc.poll() is not None:
+                    return None
                 self._easyocr_proc.stdin.write(json.dumps({"img": img_b64}) + "\n")
                 self._easyocr_proc.stdin.flush()
 
@@ -1168,7 +1171,9 @@ class MessageMonitor:
                     _q = Queue()
                     def _read_worker():
                         try:
-                            _q.put(self._easyocr_proc.stdout.readline())
+                            proc = self._easyocr_proc
+                            if proc and proc.poll() is None:
+                                _q.put(proc.stdout.readline())
                         except Exception:
                             pass
                     _t = threading.Thread(target=_read_worker, daemon=True)
@@ -1334,7 +1339,8 @@ class MessageMonitor:
                 return
             # EasyOCR 用原图（1x）：2x 图送 GPU 显存压力大 + 加速泄漏
             img_np = _np.array(im_original)
-            text = self._call_easyocr_safe(img_np, timeout=10)
+            # ⚠ 超时不能太短：首次加载模型 3-10s + 图片处理，10s 必超时
+            text = self._call_easyocr_safe(img_np, timeout=30)
             if text:
                 easy_text[0] = text