diff --git a/deepmd/utils/plugin.py b/deepmd/utils/plugin.py
index e1817327a3..a5c5c554ab 100644
--- a/deepmd/utils/plugin.py
+++ b/deepmd/utils/plugin.py
@@ -38,13 +38,17 @@ def __add__(self, other: "Plugin") -> "Plugin":
         self.plugins.update(other.plugins)
         return self
 
-    def register(self, key: str) -> Callable[[object], object]:
+    def register(
+        self, key: str, alias: list[str] | None = None
+    ) -> Callable[[object], object]:
         """Register a plugin.
 
         Parameters
         ----------
         key : str
-            key of the plugin
+            Primary key of the plugin.
+        alias : list[str], optional
+            Alternative keys for the plugin.
 
         Returns
         -------
@@ -54,6 +58,9 @@ def register(self, key: str) -> Callable[[object], object]:
 
         def decorator(object: object) -> object:
             self.plugins[key] = object
+            if alias:
+                for alias_key in alias:
+                    self.plugins[alias_key] = object
             return object
 
         return decorator
@@ -119,13 +126,17 @@ class PR:
         __plugins = Plugin()
 
         @staticmethod
-        def register(key: str) -> Callable[[object], object]:
+        def register(
+            key: str, alias: list[str] | None = None
+        ) -> Callable[[object], object]:
             """Register a descriptor plugin.
 
             Parameters
             ----------
             key : str
-                the key of a descriptor
+                The primary key of the plugin.
+            alias : list[str], optional
+                Alternative keys for the plugin.
 
             Returns
             -------
@@ -137,8 +148,11 @@ def register(key: str) -> Callable[[object], object]:
             >>> @BaseClass.register("some_class")
                 class SomeClass(BaseClass):
                     pass
+            >>> @BaseClass.register("some_class", alias=["alias1", "alias2"])
+                class SomeClass(BaseClass):
+                    pass
             """
-            return PR.__plugins.register(key)
+            return PR.__plugins.register(key, alias=alias)
 
         @classmethod
         def get_class_by_type(cls, class_type: str) -> type[object]: