diff --git a/src/main/kotlin/app/termora/terminal/ControlSequenceIntroducerProcessor.kt b/src/main/kotlin/app/termora/terminal/ControlSequenceIntroducerProcessor.kt
index 6d2c790..4f3c18a 100644
--- a/src/main/kotlin/app/termora/terminal/ControlSequenceIntroducerProcessor.kt
+++ b/src/main/kotlin/app/termora/terminal/ControlSequenceIntroducerProcessor.kt
@@ -342,7 +342,10 @@ class ControlSequenceIntroducerProcessor(terminal: Terminal, reader: TerminalRea
                 }
 
                 // 设置滚动区域
-                terminal.getTerminalModel().setData(DataKey.ScrollingRegion, ScrollingRegion(top, bottom))
+                terminal.getTerminalModel().setData(
+                    DataKey.ScrollingRegion,
+                    ScrollingRegion(top, min(bottom, terminalModel.getRows()))
+                )
 
                 if (log.isDebugEnabled) {
                     log.debug("Set Scrolling Region [${top}; ${bottom}]")
@@ -715,6 +718,13 @@ class ControlSequenceIntroducerProcessor(terminal: Terminal, reader: TerminalRea
                     }
                 }
 
+                // Alternate Screen Buffer
+                47, 1047 -> {
+                    // clear selection
+                    terminal.getSelectionModel().clearSelection()
+                    terminalModel.setData(DataKey.AlternateScreenBuffer, enable)
+                }
+
                 // Alternate Screen Buffer
                 // https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
                 1049 -> {