diff --git a/python/jittor/__init__.py b/python/jittor/__init__.py
index 2ddac6dd..fb1a125c 100644
--- a/python/jittor/__init__.py
+++ b/python/jittor/__init__.py
@@ -9,7 +9,7 @@
 # file 'LICENSE.txt', which is part of this source code package.
 # ***************************************************************
 
-__version__ = '1.3.7.1'
+__version__ = '1.3.7.2'
 from jittor_utils import lock
 with lock.lock_scope():
     ori_int = int
diff --git a/python/jittor/compile_extern.py b/python/jittor/compile_extern.py
index 00163ba0..95beb175 100644
--- a/python/jittor/compile_extern.py
+++ b/python/jittor/compile_extern.py
@@ -89,7 +89,7 @@ def install_mkl(root_folder):
             
             assert 0 == os.system(cmd)
             assert 0 == os.system(f"{dirname}/examples/test")
-        if platform.system() == "Darwin":
+        elif platform.system() == "Darwin":
             assert 0 == os.system(f"cd {dirname}/examples && "
             f"{cc_path} -std=c++14 cnn_inference_f32.cpp -Ofast -lmkldnn -I ../include -L ../lib -o test && DYLD_LIBRARY_PATH=../lib/ ./test")
         else: