diff --git a/tools/deps_guard/elf_file_mgr/elf_file_mgr.py b/tools/deps_guard/elf_file_mgr/elf_file_mgr.py
index 131911fe..6e65f2b2 100755
--- a/tools/deps_guard/elf_file_mgr/elf_file_mgr.py
+++ b/tools/deps_guard/elf_file_mgr/elf_file_mgr.py
@@ -221,15 +221,15 @@ class ElfFileMgr(object):
         if not path.startswith("/"):
             path = "/" + path
         if path.find("/lib64/") > 0:
-            path_order = "/system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/ndk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib:/vendor/lib:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib64:/lib:/usr/local/lib:/usr/lib"
+            pathOrder = "/system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/ndk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib:/vendor/lib:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib64:/lib:/usr/local/lib:/usr/lib"
         else:
-            path_order = "/system/lib:/vendor/lib:/vendor/lib/chipsetsdk:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib:/usr/local/lib:/usr/lib"
+            pathOrder = "/system/lib:/vendor/lib:/vendor/lib/chipsetsdk:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib:/usr/local/lib:/usr/lib"
 
         if path.rfind("/") < 0:
             return 1000
 
         path = path[:path.rfind("/")]
-        paths = path_order.split(':')
+        paths = pathOrder.split(':')
         idx = 0
         for p in paths:
             if p == path:
diff --git a/tools/deps_guard/elf_file_mgr/hdi/hdi_parser.py b/tools/deps_guard/elf_file_mgr/hdi/hdi_parser.py
index 6e601066..1cb6557f 100755
--- a/tools/deps_guard/elf_file_mgr/hdi/hdi_parser.py
+++ b/tools/deps_guard/elf_file_mgr/hdi/hdi_parser.py
@@ -27,7 +27,7 @@ class HdiParser(object):
         hdi_tool = os.path.join(product_out_path, "obj/drivers/hdf_core/framework/tools/hc-gen/hc-gen")
         hcs_file = os.path.join(product_out_path, "packages/phone/vendor/etc/hdfconfig/hdf_default.hcb")
         out_file = os.path.join(product_out_path, "device_info.hcs")
-        subprocess.Popen([hdi_tool, "-d", hcs_file, "-o", out_file]).wait()
+        subprocess.Popen('%s -d "%s" -o "%s"' % (hdi_tool, hcs_file, out_file), shell=True).wait()
         try:
             with open(out_file) as f:
                 lines = f.readlines()
diff --git a/tools/deps_guard/rules_checker/chipsetsdk.py b/tools/deps_guard/rules_checker/chipsetsdk.py
index a40c5992..0d64f41e 100755
--- a/tools/deps_guard/rules_checker/chipsetsdk.py
+++ b/tools/deps_guard/rules_checker/chipsetsdk.py
@@ -138,9 +138,7 @@ class ChipsetSDKRule(BaseRule):
             headers.append(item)
 
         try:
-            with os.fdopen(os.open(os.path.join(self.get_mgr().get_product_images_path(),
-                                                "chipsetsdk_info.json"),
-                                    os.O_WRONLY | os.O_CREAT, 0o644), "w") as f:
+            with open(os.path.join(self.get_mgr().get_product_images_path(), "chipsetsdk_info.json"), "w") as f:
                 json.dump(headers, f, indent=4)
         except:
             pass