diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fb0c43fd7e..6d89c2124a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,7 +30,7 @@ repos:
         exclude: ^source/3rdparty
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.15.8
+    rev: v0.15.9
     hooks:
       - id: ruff
         args: ["--fix"]
diff --git a/deepmd/tf/env.py b/deepmd/tf/env.py
index 8fc14a61a9..1fd08ecdf7 100644
--- a/deepmd/tf/env.py
+++ b/deepmd/tf/env.py
@@ -138,7 +138,7 @@ def filter(self, record: logging.LogRecord) -> bool:
 # \3: layer index
 # The rest: types of neighbor atoms
 # IMPORTANT: the order is critical to match the pattern
-EMBEDDING_NET_PATTERN = str(
+EMBEDDING_NET_PATTERN = (
     r"filter_type_(\d+)/(matrix)_(\d+)_(\d+)|"
     r"filter_type_(\d+)/(bias)_(\d+)_(\d+)|"
     r"filter_type_(\d+)/(idt)_(\d+)_(\d+)|"
@@ -157,7 +157,7 @@ def filter(self, record: logging.LogRecord) -> bool:
 # \1: layer index or "final"
 # \2: type of centeral atom, optional
 # the last: weight name
-FITTING_NET_PATTERN = str(
+FITTING_NET_PATTERN = (
     r"layer_(\d+)/(matrix)|"
     r"layer_(\d+)_type_(\d+)/(matrix)|"
     r"layer_(\d+)/(bias)|"
@@ -182,13 +182,13 @@ def filter(self, record: logging.LogRecord) -> bool:
 # subpatterns:
 # \1: weight name
 # \2: layer index
-TYPE_EMBEDDING_PATTERN = str(
+TYPE_EMBEDDING_PATTERN = (
     r"type_embed_net/(matrix)_(\d+)|"
     r"type_embed_net/(bias)_(\d+)|"
     r"type_embed_net/(idt)_(\d+)|"
 )[:-1]
 
-ATTENTION_LAYER_PATTERN = str(
+ATTENTION_LAYER_PATTERN = (
     r"attention_layer_(\d+)/(c_query)/(matrix)|"
     r"attention_layer_(\d+)/(c_query)/(bias)|"
     r"attention_layer_(\d+)/(c_key)/(matrix)|"
@@ -207,7 +207,7 @@ def filter(self, record: logging.LogRecord) -> bool:
     EMBEDDING_NET_PATTERN
     + FITTING_NET_PATTERN
     + TYPE_EMBEDDING_PATTERN
-    + str(
+    + (
         r"descrpt_attr/t_avg|"
         r"descrpt_attr/t_std|"
         r"fitting_attr/t_fparam_avg|"