diff --git a/nlpir/__init__.py b/nlpir/__init__.py
index cc8e7cd..f7ad196 100644
--- a/nlpir/__init__.py
+++ b/nlpir/__init__.py
@@ -7,7 +7,7 @@
 import functools
 from .exception import NLPIRException
 
-__version__ = "0.9.14b3"
+__version__ = "0.9.14b4"
 PACKAGE_DIR = os.path.abspath(os.path.dirname(__file__))
 logger = logging.getLogger("nlpir")
 
diff --git a/nlpir/eye_checker.py b/nlpir/eye_checker.py
index 829d6fc..588c14a 100644
--- a/nlpir/eye_checker.py
+++ b/nlpir/eye_checker.py
@@ -119,4 +119,5 @@ def delete_rules(rule: int):
     for file in os.listdir(kgb_path):
         result = __kgb_rule_file_re__.search(file)
         if result is not None:
-            os.remove(os.path.join(kgb_path, file))
+            if int(result.group(1)) == rule:
+                os.remove(os.path.join(kgb_path, file))