diff --git a/apps/em/cd.py b/apps/em/cd.py
index 8d94c67d..a966ac44 100644
--- a/apps/em/cd.py
+++ b/apps/em/cd.py
@@ -319,3 +319,4 @@ def get_tyy_data(*args):
     res = r.json()
     if "err_msg" in res:
         raise ParseError(res["err_msg"])
+    return res