diff --git a/NEWS.md b/NEWS.md
index dc17f420..5c3f8a7b 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -104,6 +104,7 @@ Red Panda C++ Version 2.27
   - enhancement: Add compiler set by choose the executable.
   - fix: Compile info for project doesn't have name of the project executable.
   - enhancement: Highlight words in the string/comments.
+  - fix: If there are only 1 line in the editor, shift+down can't select it.
     
 Red Panda C++ Version 2.26
   - enhancement: Code suggestion for embedded std::vectors.
diff --git a/libs/qsynedit/qsynedit/qsynedit.cpp b/libs/qsynedit/qsynedit/qsynedit.cpp
index c0b83e7c..032167d5 100644
--- a/libs/qsynedit/qsynedit/qsynedit.cpp
+++ b/libs/qsynedit/qsynedit/qsynedit.cpp
@@ -4787,7 +4787,7 @@ void QSynEdit::moveCaretVert(int deltaY, bool isSelection)
 
     BufferCoord vDstLineChar;
     if (ptDst.row == ptO.row && isSelection && deltaY!=0) {
-        if (ptDst.row==1) {
+        if (ptDst.row==1 && mDocument->count()>1) {
             vDstLineChar.ch=1;
             vDstLineChar.line=1;
         } else {