diff --git a/Difficult_Rocket.py b/Difficult_Rocket.py
index 9da0953..a5983a8 100644
--- a/Difficult_Rocket.py
+++ b/Difficult_Rocket.py
@@ -51,7 +51,7 @@ if __name__ == '__main__':
         if DEBUGGING:
             raise TestError('debugging')
     except Exception as exp:
-        from Difficult_Rocket.api.translate import tr
+        from Difficult_Rocket.translate import tr
 
         print(error_format['error.happen'])
         error = traceback.format_exc()
diff --git a/README.md b/README.md
index 109b129..6e4e4cc 100644
--- a/README.md
+++ b/README.md
@@ -47,10 +47,10 @@
 
 ## Required python modules
 
-- json5 (pre-installed V0.9.6 path:`./libs/json5`)
-- pyglet (pre-installed V2.0.dev11 path:`./libs/pyglet`)
-- pillow
-- semver
+- `json5` (pre-installed V0.9.6 path:`./libs/json5`)
+- `pyglet` (pre-installed V2.0.dev11 path:`./libs/pyglet`)
+- `pillow`
+- `semver`
 
 ## thanks to
 
diff --git a/docs/README-cn.md b/docs/README-cn.md
index 91dbaa8..28d78fe 100644
--- a/docs/README-cn.md
+++ b/docs/README-cn.md
@@ -48,10 +48,10 @@
 
 ## 需要的Python模块
 
-- json5 (已经内置V0.9.6 路径：`./libs/json5`)
-- pyglet (已经内置V2.0.dev11 路径：`./libs/pyglet`)
-- pillow
-- semver
+- `json5` (已经内置V0.9.6 路径：`./libs/json5`)
+- `pyglet` (已经内置V2.0.dev11 路径：`./libs/pyglet`)
+- `pillow`
+- `semver`
 
 ## 感谢