diff --git a/app/pccs.py b/app/pccs.py
index ebbab0f..0010f40 100644
--- a/app/pccs.py
+++ b/app/pccs.py
@@ -5,32 +5,27 @@ pccs — 算力中心集群系统 (Pooled Computing Cluster System)
 import os, sys
 
 from ahserver.webapp import webapp
-from ahserver.serverenv import ServerEnv
-
-from appbase.init import load_appbase
-from rbac.init import load_rbac
-
-WORKDIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-
-
-def get_module_dbname(m):
-    return 'pccs'
-
-
-def password_encode(s):
-    if s is None:
-        return ''
-    from ahserver.globalEnv import password_encode as _orig
-    return _orig(s)
 
 
 def init():
-    env = ServerEnv()
-    env.get_module_dbname = get_module_dbname
-    env.password_encode = password_encode
-    # monkey-patch ServerEnv class so ALL instances get these methods
-    ServerEnv.get_module_dbname = staticmethod(get_module_dbname)
-    ServerEnv.password_encode = staticmethod(password_encode)
+    # 注入全局默认 module_dbname — ServerEnv DictObject 每个实例不同,
+    # 必须通过 monkey-patching DictObject.__getattr__ 来让所有实例有默认值
+    from ahserver.serverenv import ServerEnv
+    from appPublic.dictObject import DictObject
+
+    _orig_getattr = DictObject.__getattr__
+
+    def _patched_getattr(self, key):
+        if key == 'get_module_dbname':
+            return lambda m: 'pccs'
+        if key == 'password_encode':
+            return lambda s: s
+        return _orig_getattr(self, key)
+
+    DictObject.__getattr__ = _patched_getattr
+
+    from appbase.init import load_appbase
+    from rbac.init import load_rbac
     load_appbase()
     load_rbac()