diff --git a/build-logic/src/main/kotlin/com/titi/common/BuildInfo.kt b/build-logic/src/main/kotlin/com/titi/common/BuildInfo.kt
index f82b8554..e7f08ca4 100644
--- a/build-logic/src/main/kotlin/com/titi/common/BuildInfo.kt
+++ b/build-logic/src/main/kotlin/com/titi/common/BuildInfo.kt
@@ -9,7 +9,7 @@ object BuildType {
 
 object AppConfig {
     const val APP_ID = "com.titi.app"
-    const val APP_VERSION_NAME = "1.4.1"
-    const val APP_VERSION_CODE = 41
+    const val APP_VERSION_NAME = "1.4.2"
+    const val APP_VERSION_CODE = 42
     const val APP_NAME = "TiTi"
 }
\ No newline at end of file
diff --git a/core/designsystem/src/main/kotlin/com/titi/app/core/designsystem/component/TdsTimeLineChart.kt b/core/designsystem/src/main/kotlin/com/titi/app/core/designsystem/component/TdsTimeLineChart.kt
index 5a0f69aa..ef57cc14 100644
--- a/core/designsystem/src/main/kotlin/com/titi/app/core/designsystem/component/TdsTimeLineChart.kt
+++ b/core/designsystem/src/main/kotlin/com/titi/app/core/designsystem/component/TdsTimeLineChart.kt
@@ -67,7 +67,9 @@ fun TdsTimeLineChart(
                     if (isCircleDraw) {
                         Canvas(modifier = Modifier.size(itemWidth)) {
                             drawCircle(
-                                color = currentStartColor.copy(alpha = time / 3600f),
+                                color = currentStartColor.copy(
+                                    alpha = (time / 3600f).coerceAtMost(1f),
+                                ),
                                 radius = itemWidth.toPx() * 0.45f,
                             )
                         }
diff --git a/release-note.txt b/release-note.txt
index 2f9a5ac4..a2f12fb2 100644
--- a/release-note.txt
+++ b/release-note.txt
@@ -1,3 +1,2 @@
-TiTi android 1.4.1
-- Chinese font
-- Animation spec
\ No newline at end of file
+TiTi android 1.4.2
+- fix alpha over 1f
\ No newline at end of file