fixed package name error

README.md

 # skill_tree_parser
 
-`技能树解析` 是[技能森林](https://gitcode.net/csdn/skill_tree)的一部分，属于`技能树服务构建部分`。
+`技能树解解释器` 是[技能森林](https://gitcode.net/csdn/skill_tree)的一部分，属于`技能树服务构建部分`。
 
 ## 说明
 

setup.py

@@ -7,7 +7,7 @@ this_directory = Path(__file__).parent
 long_description = (this_directory / "README.md").read_text()
 
 setup(name="skill-tree-parser",
-      version="0.0.2",
+      version="0.0.3",
       description="CSDN Skill Tree Parser",
       long_description=long_description,
       long_description_content_type='text/markdown',
@@ -15,9 +15,10 @@ setup(name="skill-tree-parser",
       author_email="liuxin@csdn.net",
       url="https://gitcode.net/csdn/skill_tree_parser",
       license="MIT",
-      packages=["skill_tree"],
+      packages=["skill_tree", "skill_tree.exercises"],
       package_dir={
-          "skill_tree": "src/skill_tree"
+          "skill_tree": "src/skill_tree",
+          "skill_tree.exercises": "src/skill_tree/exercises"
       },
       install_requires=[
           "pyparsec",

src/skill_tree/tree.py

@@ -8,7 +8,7 @@ import re
 
 from parsec import BasicState, ParsecError
 
-from skill_tree.excercises.markdown import parse
+from .exercises.markdown import parse
 
 id_set = set()
 logger = logging.getLogger(__name__)

src/test/exercises/markdown_test.py

@@ -2,8 +2,8 @@ import unittest
 
 from parsec.state import BasicState
 
-from skill_tree.excercises.market_math import processor
-import skill_tree.excercises.markdown as mk
+from skill_tree.exercises.market_math import processor
+import skill_tree.exercises.markdown as mk
 
 
 def math_processor(context):