diff --git a/src/loader.py b/src/loader.py
index ed599f6..ef85c87 100644
--- a/src/loader.py
+++ b/src/loader.py
@@ -53,6 +53,7 @@ def version_check(configuration: dict, pkg_name: str) -> int:
     except Exception as e:
         log.warn(f"load moudle [{pkg_name}] failed: {e}")
         return 7
+    return 0
 
 
 def file_check(file_json: dict, pkg_name: str) -> int:
@@ -86,7 +87,7 @@ def load_package(pkg_name: str) -> int:
         return 1
     try:
         with open(pkg_path+"/"+"manifest.json", "r", encoding="utf-8") as file:
-            file_json = json.load(json.decoder.JSONDecodeError)
+            file_json = json.load(file)
     except json.decoder.JSONDecodeError:
         log.warn(f"load moudle [{pkg_name}] failed: " +
                  "Json syntax error")
@@ -159,7 +160,6 @@ def load_package(pkg_name: str) -> int:
                         pkg_path+"/"+i["from"], data_dir+"/"+i["to"])
 
     add_action_head = False
-
     if "load" in file_json:
         open_symlink = config.USE_SYMLINK
         if "symlink" in file_json["load"] and file_json["load"] == False: