diff --git a/learnware/client/learnware_client.py b/learnware/client/learnware_client.py
index 4239a7b..c7e99fc 100644
--- a/learnware/client/learnware_client.py
+++ b/learnware/client/learnware_client.py
@@ -14,7 +14,7 @@ from typing import Union, List
 from ..config import C
 from .. import learnware
 from .container import LearnwaresContainer
-from ..market import EasySemanticChecker, EasyStatisticalChecker
+from ..market import BaseChecker, EasySemanticChecker, EasyStatChecker, CondaChecker
 from ..logger import get_module_logger
 from ..specification import Specification
 from ..learnware import get_learnware_from_dirpath
@@ -386,14 +386,21 @@ class LearnwareClient:
 
     @staticmethod
     def _check_semantic_specification(semantic_spec):
-        return EasySemanticChecker.check_semantic_spec(semantic_spec)
+        semantic_checker = EasySemanticChecker()
+        return semantic_checker(semantic_spec) != BaseChecker.INVALID_LEARNWARE
+    
+    @staticmethod
+    def _check_stat_specification(learnware):
+        stat_checker = CondaChecker(inner_checker=EasyStatChecker())
+        return stat_checker(learnware) != BaseChecker.INVALID_LEARNWARE
 
     @staticmethod
     def check_learnware(learnware_zip_path, semantic_specification=None):
         semantic_specification = (
             get_semantic_specification() if semantic_specification is None else semantic_specification
         )
-        LearnwareClient._check_semantic_specification(semantic_specification)
+        
+        assert LearnwareClient._check_semantic_specification(semantic_specification), "Semantic specification check failed!"
 
         with tempfile.TemporaryDirectory(prefix="learnware_") as tempdir:
             with zipfile.ZipFile(learnware_zip_path, mode="r") as z_file:
@@ -406,12 +413,7 @@ class LearnwareClient:
             if learnware is None:
                 raise Exception("The learnware is not valid.")
 
-            with LearnwaresContainer(learnware, learnware_zip_path) as env_container:
-                learnware = env_container.get_learnwares_with_container()[0]
-                if EasyStatisticalChecker()(learnware) == EasyStatisticalChecker.USABLE_LEARWARE:
-                    logger.info("The learnware passed the local test.")
-                else:
-                    raise Exception("The learnware is not usable.")
+            assert LearnwareClient._check_semantic_specification(learnware), "Stas specification check failed!"
 
     def cleanup(self):
         for tempdir in self.tempdir_list:
diff --git a/learnware/market/__init__.py b/learnware/market/__init__.py
index 7dd1bc6..b20753f 100644
--- a/learnware/market/__init__.py
+++ b/learnware/market/__init__.py
@@ -2,8 +2,9 @@ from .anchor import AnchoredUserInfo, AnchoredOrganizer
 from .base import BaseUserInfo, LearnwareMarket, BaseChecker, BaseOrganizer, BaseSearcher
 from .evolve_anchor import EvolvedAnchoredOrganizer
 from .evolve import EvolvedOrganizer
-from .easy2 import EasyOrganizer, EasySearcher, EasySemanticChecker, EasyStatisticalChecker
+from .easy2 import EasyOrganizer, EasySearcher, EasySemanticChecker, EasyStatChecker
 from .hetergeneous import HeterogeneousOrganizer, MappingFunction
 
 from .easy import EasyMarket
 from .module import instatiate_learnware_market
+from .classes import CondaChecker
\ No newline at end of file
diff --git a/learnware/market/classes.py b/learnware/market/classes.py
new file mode 100644
index 0000000..65261a3
--- /dev/null
+++ b/learnware/market/classes.py
@@ -0,0 +1,19 @@
+from .base import BaseChecker, BaseOrganizer
+from ..learnware import Learnware
+from ..client.container import LearnwaresContainer
+
+
+class CondaChecker(BaseChecker):
+    def __init__(self, inner_checker, **kwargs):
+        self.inner_checker = inner_checker
+        super(CondaChecker, self).__init__(**kwargs)
+    
+    def __call__(self, learnware: Learnware) -> int:
+    
+        with LearnwaresContainer(learnware) as env_container:
+            learnwares = env_container.get_learnwares_with_container()
+            if len(learnwares) == 0:
+                raise AssertionError(f"The env of learnware {learnware} installed failed")
+            check_status = self.inner_checker(learnware[0])
+        
+        return check_status
\ No newline at end of file
diff --git a/learnware/market/easy2/__init__.py b/learnware/market/easy2/__init__.py
index 2178119..2835871 100644
--- a/learnware/market/easy2/__init__.py
+++ b/learnware/market/easy2/__init__.py
@@ -1,3 +1,3 @@
 from .organizer import EasyOrganizer
 from .searcher import EasySearcher
-from .checker import EasySemanticChecker, EasyStatisticalChecker
+from .checker import EasySemanticChecker, EasyStatChecker
diff --git a/learnware/market/easy2/checker.py b/learnware/market/easy2/checker.py
index fa8f26c..4b67157 100644
--- a/learnware/market/easy2/checker.py
+++ b/learnware/market/easy2/checker.py
@@ -51,7 +51,7 @@ class EasySemanticChecker(BaseChecker):
 
             return EasySemanticChecker.NONUSABLE_LEARNWARE
 
-        except Exception as err:
+        except AssertionError as err:
             logger.warning(f"semantic_specification is not valid due to {err}!")
             return EasySemanticChecker.INVALID_LEARNWARE
 
@@ -60,7 +60,7 @@ class EasySemanticChecker(BaseChecker):
         return self.check_semantic_spec(semantic_spec)
 
 
-class EasyStatisticalChecker(BaseChecker):
+class EasyStatChecker(BaseChecker):
     def __call__(self, learnware):
         semantic_spec = learnware.get_specification().get_semantic_spec()
 
diff --git a/learnware/market/module.py b/learnware/market/module.py
index 57821cd..7c2aedf 100644
--- a/learnware/market/module.py
+++ b/learnware/market/module.py
@@ -1,11 +1,11 @@
 from .base import LearnwareMarket
-from .easy2 import EasyOrganizer, EasySearcher, EasySemanticChecker, EasyStatisticalChecker
+from .easy2 import EasyOrganizer, EasySearcher, EasySemanticChecker, EasyStatChecker
 
 MARKET_CONFIG = {
     "easy": {
         "organizer": EasyOrganizer(),
         "searcher": EasySearcher(),
-        "checker_list": [EasySemanticChecker(), EasyStatisticalChecker()],
+        "checker_list": [EasySemanticChecker(), EasyStatChecker()],
     }
 }