diff --git a/.changelog/lang_zh-Hans.json b/.changelog/lang_zh-Hans.json
index 3b0fbd78..0331588d 100644
--- a/.changelog/lang_zh-Hans.json
+++ b/.changelog/lang_zh-Hans.json
@@ -2,6 +2,9 @@
   "$data": {
     "v6.6.3": {
       "released_date": "2025/04/19",
+      "feature": [
+        "timers.keepAlive 方法 (已全局化), 用于保持脚本活跃状态"
+      ],
       "fix": [
         "主页文档标签显示在线文档时部分内容被系统导航栏遮挡的问题",
         "部分设备代码编辑器空行显示方框字符的问题",
diff --git a/app/src/main/java/org/autojs/autojs/core/image/ColorTable.kt b/app/src/main/java/org/autojs/autojs/core/image/ColorTable.kt
index 8ebd7d4b..99320cf8 100644
--- a/app/src/main/java/org/autojs/autojs/core/image/ColorTable.kt
+++ b/app/src/main/java/org/autojs/autojs/core/image/ColorTable.kt
@@ -698,6 +698,16 @@ class ColorTable {
         const val GREY_700 = -0x9e9e9f
         const val GREY_800 = -0xbdbdbe
         const val GREY_900 = -0xdededf
+        const val GRAY_50 = -0x50506
+        const val GRAY_100 = -0xa0a0b
+        const val GRAY_200 = -0x111112
+        const val GRAY_300 = -0x1f1f20
+        const val GRAY_400 = -0x424243
+        const val GRAY_500 = -0x616162
+        const val GRAY_600 = -0x8a8a8b
+        const val GRAY_700 = -0x9e9e9f
+        const val GRAY_800 = -0xbdbdbe
+        const val GRAY_900 = -0xdededf
         const val BLACK_1000 = -0x1000000
         const val WHITE_1000 = -0x1
         const val BLUE_GREY_50 = -0x13100f
@@ -710,6 +720,16 @@ class ColorTable {
         const val BLUE_GREY_700 = -0xbaa59c
         const val BLUE_GREY_800 = -0xc8b8b1
         const val BLUE_GREY_900 = -0xd9cdc8
+        const val BLUE_GRAY_50 = -0x13100f
+        const val BLUE_GRAY_100 = -0x302724
+        const val BLUE_GRAY_200 = -0x4f443b
+        const val BLUE_GRAY_300 = -0x6f5b52
+        const val BLUE_GRAY_400 = -0x876f64
+        const val BLUE_GRAY_500 = -0x9f8275
+        const val BLUE_GRAY_600 = -0xab9186
+        const val BLUE_GRAY_700 = -0xbaa59c
+        const val BLUE_GRAY_800 = -0xc8b8b1
+        const val BLUE_GRAY_900 = -0xd9cdc8
 
         const val RED = RED_500
         const val PINK = PINK_500
@@ -729,7 +749,9 @@ class ColorTable {
         const val DEEP_ORANGE = DEEP_ORANGE_500
         const val BROWN = BROWN_500
         const val GREY = GREY_500
+        const val GRAY = GREY_500
         const val BLUE_GREY = BLUE_GREY_500
+        const val BLUE_GRAY = BLUE_GREY_500
         const val BLACK = BLACK_1000
         const val WHITE = WHITE_1000
 
diff --git a/app/src/main/java/org/autojs/autojs/runtime/api/augment/timers/Timers.kt b/app/src/main/java/org/autojs/autojs/runtime/api/augment/timers/Timers.kt
index 2ee571fc..b381e1af 100644
--- a/app/src/main/java/org/autojs/autojs/runtime/api/augment/timers/Timers.kt
+++ b/app/src/main/java/org/autojs/autojs/runtime/api/augment/timers/Timers.kt
@@ -20,6 +20,7 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
 
     override val selfAssignmentFunctions = listOf(
         ::setIntervalExt.name,
+        ::keepAlive.name,
     )
 
     override val globalAssignmentFunctions = listOf(
@@ -30,13 +31,14 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
         ::clearInterval.name,
         ::clearImmediate.name,
         ::loop.name,
+        ::keepAlive.name,
     )
 
     companion object : FlexibleArray() {
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun setTimeout(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsAtLeast(args, 1) {
+        fun setTimeout(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Double = ensureArgumentsAtLeast(args, 1) {
             val (callbackArg, intervalArg) = it
             val callback = coerceFunction(callbackArg)
             val interval = coerceLongNumber(intervalArg, 1L)
@@ -49,13 +51,13 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun clearTimeout(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsOnlyOne(args) {
+        fun clearTimeout(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Boolean = ensureArgumentsOnlyOne(args) {
             scriptRuntime.timers.clearTimeout(coerceNumber(it))
         }
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun setInterval(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsAtLeast(args, 1) {
+        fun setInterval(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Double = ensureArgumentsAtLeast(args, 1) {
             val (callbackArg, intervalArg) = it
             val callback = coerceFunction(callbackArg)
             val interval = coerceLongNumber(intervalArg, 1L)
@@ -68,13 +70,13 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun clearInterval(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsOnlyOne(args) {
+        fun clearInterval(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Boolean = ensureArgumentsOnlyOne(args) {
             scriptRuntime.timers.clearInterval(coerceNumber(it))
         }
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun setImmediate(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsAtLeast(args, 1) {
+        fun setImmediate(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Double = ensureArgumentsAtLeast(args, 1) {
             val (callbackArg) = it
             val callback = coerceFunction(callbackArg)
             when (it.size) {
@@ -85,7 +87,7 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
 
         @JvmStatic
         @RhinoRuntimeFunctionInterface
-        fun clearImmediate(scriptRuntime: ScriptRuntime, args: Array<out Any?>) = ensureArgumentsOnlyOne(args) {
+        fun clearImmediate(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Boolean = ensureArgumentsOnlyOne(args) {
             scriptRuntime.timers.clearImmediate(coerceNumber(it))
         }
 
@@ -98,6 +100,13 @@ open class Timers(scriptRuntime: ScriptRuntime) : Augmentable(scriptRuntime) {
             UNDEFINED
         }
 
+        @JvmStatic
+        @RhinoRuntimeFunctionInterface
+        fun keepAlive(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Double = ensureArgumentsAtMost(args, 1) {
+            val (internal) = it
+            setInterval(scriptRuntime, arrayOf(BaseFunction(), coerceNumber(internal, 10_000)))
+        }
+
         @JvmStatic
         @RhinoRuntimeFunctionInterface
         fun setIntervalExt(scriptRuntime: ScriptRuntime, args: Array<out Any?>): Double = ensureArgumentsLengthInRange(args, 1..4) {
diff --git a/version.properties b/version.properties
index 52001e99..47deb89c 100644
--- a/version.properties
+++ b/version.properties
@@ -1,5 +1,5 @@
-#Sat Apr 19 02:00:10 CST 2025
-BUILD_TIME=1744999210778
+#Sat Apr 19 16:35:05 CST 2025
+BUILD_TIME=1745051705674
 COMPILE_SDK_VERSION=35
 JAVA_VERSION=23
 JAVA_VERSION_MIN_RADICAL=0
@@ -17,6 +17,6 @@ RAPID_OCR_OPENCV_MOBILE_LABEL_VERSION=13
 RAPID_OCR_OPENCV_MOBILE_VERSION=4.5.3
 TARGET_SDK_VERSION=35
 TARGET_SDK_VERSION_INRT=29
-VERSION_BUILD=3150
+VERSION_BUILD=3152
 VERSION_NAME=6.6.3 Alpha
 VSCODE_EXT_REQUIRED_VERSION=1.0.8