diff --git a/app/src/main/java/com/openclaw/assistant/ChatActivity.kt b/app/src/main/java/com/openclaw/assistant/ChatActivity.kt
index 1b92326d..b589ff75 100644
--- a/app/src/main/java/com/openclaw/assistant/ChatActivity.kt
+++ b/app/src/main/java/com/openclaw/assistant/ChatActivity.kt
@@ -781,8 +781,13 @@ fun SpeakingIndicator(onStop: () -> Unit) {
                 fontWeight = androidx.compose.ui.text.font.FontWeight.Medium
             )
             Spacer(modifier = Modifier.width(8.dp))
-            IconButton(onClick = onStop, modifier = Modifier.size(24.dp)) {
-                Icon(Icons.Default.Stop, contentDescription = stringResource(R.string.stop_description), tint = MaterialTheme.colorScheme.onErrorContainer)
+            IconButton(onClick = onStop) {
+                Icon(
+                    imageVector = Icons.Default.Stop,
+                    contentDescription = stringResource(R.string.stop_description),
+                    tint = MaterialTheme.colorScheme.onErrorContainer,
+                    modifier = Modifier.size(24.dp)
+                )
             }
         }
     }
diff --git a/app/src/main/java/com/openclaw/assistant/MainActivity.kt b/app/src/main/java/com/openclaw/assistant/MainActivity.kt
index 1422fb8c..f2ffe1ac 100644
--- a/app/src/main/java/com/openclaw/assistant/MainActivity.kt
+++ b/app/src/main/java/com/openclaw/assistant/MainActivity.kt
@@ -1082,8 +1082,13 @@ fun SystemStatusCard(
                     color = contentColor.copy(alpha = 0.8f),
                     modifier = Modifier.weight(1f)
                 )
-                IconButton(onClick = onOpenSettings, modifier = Modifier.size(24.dp)) {
-                    Icon(Icons.Default.Settings, contentDescription = stringResource(R.string.settings_title), tint = contentColor.copy(alpha = 0.6f))
+                IconButton(onClick = onOpenSettings) {
+                    Icon(
+                        imageVector = Icons.Default.Settings,
+                        contentDescription = stringResource(R.string.settings_title),
+                        tint = contentColor.copy(alpha = 0.6f),
+                        modifier = Modifier.size(24.dp)
+                    )
                 }
             }
 
@@ -1204,7 +1209,9 @@ fun DiagnosticPanel(diagnostic: VoiceDiagnostic, onRefresh: () -> Unit) {
         Column(modifier = Modifier.padding(16.dp)) {
             Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween, verticalAlignment = Alignment.CenterVertically) {
                 Text(stringResource(R.string.diagnostic_engines), fontWeight = FontWeight.Medium, fontSize = 13.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
-                IconButton(onClick = onRefresh, modifier = Modifier.size(24.dp)) { Icon(Icons.Default.Refresh, contentDescription = stringResource(R.string.action_refresh), modifier = Modifier.size(16.dp)) }
+                IconButton(onClick = onRefresh) {
+                    Icon(Icons.Default.Refresh, contentDescription = stringResource(R.string.action_refresh), modifier = Modifier.size(24.dp))
+                }
             }
             Spacer(modifier = Modifier.height(8.dp))
             Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.spacedBy(16.dp)) {
@@ -1229,7 +1236,9 @@ fun PermissionDiagnosticsPanel(allPermissionsStatus: List<PermissionStatusInfo>,
         Column(modifier = Modifier.padding(16.dp)) {
             Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween, verticalAlignment = Alignment.CenterVertically) {
                 Text(stringResource(R.string.diagnostic_app_permissions), fontWeight = FontWeight.Medium, fontSize = 13.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
-                IconButton(onClick = onRefresh, modifier = Modifier.size(24.dp)) { Icon(Icons.Default.Refresh, contentDescription = stringResource(R.string.action_refresh), modifier = Modifier.size(16.dp)) }
+                IconButton(onClick = onRefresh) {
+                    Icon(Icons.Default.Refresh, contentDescription = stringResource(R.string.action_refresh), modifier = Modifier.size(24.dp))
+                }
             }
             Spacer(modifier = Modifier.height(8.dp))
             allPermissionsStatus.forEach { perm ->
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 7fd85888..65847c37 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,7 +1,7 @@
 pluginManagement {
     repositories {
         google()
-        maven { url = uri("https://repo1.maven.org/maven2/") }
+        mavenCentral()
         gradlePluginPortal()
     }
 }
@@ -9,7 +9,7 @@ dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
         google()
-        maven { url = uri("https://repo1.maven.org/maven2/") }
+        mavenCentral()
         maven { url = uri("https://jitpack.io") }
     }
 }