diff --git a/pyproject.toml b/pyproject.toml
index 8889b3c..129782e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "FSRS-Optimizer"
-version = "4.12.0"
+version = "4.12.1"
 readme = "README.md"
 dependencies = [
     "matplotlib>=3.7.0",
diff --git a/src/fsrs_optimizer/fsrs_optimizer.py b/src/fsrs_optimizer/fsrs_optimizer.py
index 16f1ff5..0060921 100644
--- a/src/fsrs_optimizer/fsrs_optimizer.py
+++ b/src/fsrs_optimizer/fsrs_optimizer.py
@@ -108,9 +108,9 @@ def __call__(self, module):
             w[5] = w[5].clamp(0.1, 5)
             w[6] = w[6].clamp(0.1, 5)
             w[7] = w[7].clamp(0, 0.5)
-            w[8] = w[8].clamp(0, 2)
+            w[8] = w[8].clamp(0, 3)
             w[9] = w[9].clamp(0.1, 0.8)
-            w[10] = w[10].clamp(0.01, 1.5)
+            w[10] = w[10].clamp(0.01, 2.5)
             w[11] = w[11].clamp(0.5, 5)
             w[12] = w[12].clamp(0.01, 0.2)
             w[13] = w[13].clamp(0.01, 0.9)