diff --git a/apps/em/cd.py b/apps/em/cd.py
index b71f6151..5b10f12f 100644
--- a/apps/em/cd.py
+++ b/apps/em/cd.py
@@ -1,5 +1,6 @@
 import socket
 from rest_framework.exceptions import ParseError
+import json
 
 def get_tyy_data(*args):
     sc = socket.socket()
@@ -13,7 +14,7 @@ def get_tyy_data(*args):
         raise ParseError("设备未启动")
     json_data = resp[5:-4]
     json_str = json_data.decode('utf-8')
-    return "str", json_str
+    return json.loads(json_str)
 
 if __name__ == '__main__':
     print(get_tyy_data())
\ No newline at end of file