diff --git a/app_spec.yml b/app_spec.yml
index 039daaf..e494a55 100644
--- a/app_spec.yml
+++ b/app_spec.yml
@@ -4,7 +4,7 @@
     value_type: img
     description: 输入一张带有文字的图片
 output:
-  take_take:
+  take_time:
     name: take_time
     value_type: float
     description: 识别图片中文字的耗时(单位/s)