From 518379ea35357cb7ac5821e0e7f335e4cd768028 Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Fri, 16 May 2025 11:12:07 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20get=5Ftyy=5Fdata=E4=BC=98=E5=8C=962?=
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---
 apps/em/cd.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/em/cd.py b/apps/em/cd.py
index 76eb04fc..15d2ae45 100644
--- a/apps/em/cd.py
+++ b/apps/em/cd.py
@@ -17,7 +17,7 @@ def get_tyy_data(*args):
             resp = sc.recv(1024)
             if not resp:
                 raise ParseError("采集器返回空数据")
-            if len(resp) < 8:
+            elif len(resp) < 8:
                 raise ParseError("设备未启动")
             json_data = resp[5:-4]
             json_str = json_data.decode('utf-8')