diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7628c9..0f94fef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## v1.5.3 (2026-06-21)
+- **重构与错误堆栈支持**:
+  - 重构 `js_export.go`，将匿名包装闭包改为包级具名函数 `jsInt` 等。
+  - 升级 `jsmod` 依赖至 v1.5.3。
+
 ## v1.5.2 (2026-06-11)
 - **依赖对齐**: 升级 `jsmod` 依赖至 v1.5.2。
 
diff --git a/go.mod b/go.mod
index 4caca95..152816c 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module apigo.cc/go/rand
 
 go 1.25.0
 
-require apigo.cc/go/jsmod v1.5.2
+require apigo.cc/go/jsmod v1.5.3
diff --git a/js_export.go b/js_export.go
index daa5381..75b01b1 100644
--- a/js_export.go
+++ b/js_export.go
@@ -6,20 +6,28 @@ import (
 
 func init() {
 	jsmod.Register("rand", map[string]any{
-		"Int": func(min, max int64) int64 {
-			return Int(min, max)
-		},
-		"FastInt": func(min, max int64) int64 {
-			return FastInt(min, max)
-		},
-		"Float": func(min, max float64) float64 {
-			return Float(min, max)
-		},
-		"FastFloat": func(min, max float64) float64 {
-			return FastFloat(min, max)
-		},
-		"Byte":  Byte,
-		"Bytes": Bytes,
-		"Perm":  Perm,
+		"Int":       jsInt,
+		"FastInt":   jsFastInt,
+		"Float":     jsFloat,
+		"FastFloat": jsFastFloat,
+		"Byte":      Byte,
+		"Bytes":     Bytes,
+		"Perm":      Perm,
 	})
 }
+
+func jsInt(min, max int64) int64 {
+	return Int(min, max)
+}
+
+func jsFastInt(min, max int64) int64 {
+	return FastInt(min, max)
+}
+
+func jsFloat(min, max float64) float64 {
+	return Float(min, max)
+}
+
+func jsFastFloat(min, max float64) float64 {
+	return FastFloat(min, max)
+}