diff --git a/Living_SDK/build/scripts/gen_auto_code.py b/Living_SDK/build/scripts/gen_auto_code.py
index 0abce6a6..8236981a 100755
--- a/Living_SDK/build/scripts/gen_auto_code.py
+++ b/Living_SDK/build/scripts/gen_auto_code.py
@@ -44,8 +44,8 @@ def process_component_test(source_directory):
             for root, dirs, files in chain.from_iterable(os.walk(path.strip()) for path in \
                     re.findall(location, config_mk_str)[0].split(":= ")[1:]):
                 for source in [source for source in files if source.endswith(".c")]:
-                    with open(os.path.join(root, source), "r") as head:
-                        codes = head.read()
+                    with open(os.path.join(root, source), "rb") as head:
+                        codes = head.read().decode("utf-8", errors="ignore")
                         # find AOS_TESTCASE macro function
                         for code in re.findall("AOS_TESTCASE\s*\((.+\)\s*;)", codes):
                             code_list.append(code[:len(code)-2])
@@ -94,8 +94,8 @@ def process_component_init(init_dir):
     for root, dirs, files in  chain.from_iterable(os.walk(path.strip()) for path in \
             re.findall("AOS_SDK_INCLUDES\s+\+\=\s+(.+\n)", config_mk_str)[0].split("-I")[1:]):
         for include in [include for include in files if include.endswith(".h")]:
-            with open(os.path.join(root, include), "r") as head:
-                code = head.read()
+            with open(os.path.join(root, include), "rb") as head:
+                code = head.read().decode("utf-8", errors="ignore")
                 # find AOS_COMPONENT_INIT macro function
                 for init in re.findall("AOS_COMPONENT_INIT\s*\((.+\)\s*;)", code):
                     init_code = init.replace(',', '(', 1)
@@ -125,4 +125,3 @@ if __name__ == "__main__":
     main()
 
 
-