diff --git a/OCH/taxi/unmanned-driver/src/main/java/com/mogo/och/taxi/ui/debug/DebugView.kt b/OCH/taxi/unmanned-driver/src/main/java/com/mogo/och/taxi/ui/debug/DebugView.kt
index c1e479a042..af2fac92ce 100644
--- a/OCH/taxi/unmanned-driver/src/main/java/com/mogo/och/taxi/ui/debug/DebugView.kt
+++ b/OCH/taxi/unmanned-driver/src/main/java/com/mogo/och/taxi/ui/debug/DebugView.kt
@@ -54,7 +54,6 @@ public class DebugView @JvmOverloads constructor(
         const val BROADCAST_DATA_SHOW = "isShow"
 
         private var logHistoryTextView: TextView? = null
-
         fun printInfoMsg(msg: String) {
             printMsg("Info $msg", MainMoGoApplication.getApp().getColor(R.color.background_info))
         }
@@ -77,7 +76,7 @@ public class DebugView @JvmOverloads constructor(
                 )
                 UiThreadHandler.post({
                     it.append("\n")
-                    it.append(spannableMsg.toString())
+                    it.append(spannableMsg)
 
                     val offset: Int = it.lineCount * it.lineHeight
                     if (offset > it.height) {
diff --git a/OCH/taxi/unmanned-driver/src/main/res/layout/taxi_debug_order.xml b/OCH/taxi/unmanned-driver/src/main/res/layout/taxi_debug_order.xml
index 3c08aea9e7..024e110d95 100644
--- a/OCH/taxi/unmanned-driver/src/main/res/layout/taxi_debug_order.xml
+++ b/OCH/taxi/unmanned-driver/src/main/res/layout/taxi_debug_order.xml
@@ -190,6 +190,7 @@
         android:background="@drawable/taxi_debug_view_log_history_bg"
         android:fadeScrollbars="false"
         android:maxLines="15"
+        android:minLines="15"
         android:scrollbars="vertical"
         android:textColor="@android:color/white"
         android:textSize="@dimen/dp_24" />