diff --git a/apps/em/cd.py b/apps/em/cd.py
index 905ad23a..cfa76a31 100644
--- a/apps/em/cd.py
+++ b/apps/em/cd.py
@@ -176,7 +176,7 @@ def get_tyy_data(*args):
                 sc_all.pop(f"{host}_{port}", None)
             sc = None
             raise ParseError(f"采集器连接失败-{str(e)}")
-        except Exception as e:
+        except TimeoutError as e:
             if sc:
                 try:
                     sc.close()
@@ -184,7 +184,7 @@ def get_tyy_data(*args):
                     pass
                 sc_all.pop(f"{host}_{port}", None)
             sc = None
-            raise ParseError(f"采集器连接失败-{str(e)}")
+            raise ParseError(f"采集器连接超时-{str(e)}")
         
     connect_and_send()
     resp = sc.recv(1024)