diff --git a/NEWS.md b/NEWS.md
index 6a8be917..7e9f0d66 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,9 @@
 Red Panda C++ Version 1.4
 
   - fix: "Encode in UTF-8" is not correctly checked, when the editor is openned using UTF-8 encoding.
+  - fix: crash when create non C/C++ source file in project
+  - fix: can't open text project file in the editor
+  - change: when create non-text project file, don't auto open it
 
 Red Panda C++ Version 1.3
 
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 66e74f38..cd14066f 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -6179,7 +6179,7 @@ void MainWindow::newProjectUnitFile()
                     newProjectUnitDialog.setSuffix("c");
                 break;
             default:
-                newProjectUnitDialog.setSuffix("");
+                newProjectUnitDialog.setSuffix("txt");
             }
         }
         QString folder = mProject->fileSystemNodeFolderPath(pNode);
@@ -6221,10 +6221,11 @@ void MainWindow::newProjectUnitFile()
     mProject->saveAll();
         updateProjectView();
     idx = mProject->units().count()-1;
-    Editor * editor = mProject->openUnit(idx);
+    Editor * editor = mProject->openUnit(idx, false);
     //editor->setUseCppSyntax(mProject->options().useGPP);
     //editor->setModified(true);
-    editor->activate();
+    if (editor)
+        editor->activate();
     QString branch;
     if (pSettings->vcs().gitOk() && mProject->model()->iconProvider()->VCSRepository()->hasRepository(branch)) {
         QString output;
diff --git a/RedPandaIDE/project.cpp b/RedPandaIDE/project.cpp
index 0bb10102..1377f68b 100644
--- a/RedPandaIDE/project.cpp
+++ b/RedPandaIDE/project.cpp
@@ -309,7 +309,7 @@ PProjectUnit Project::newUnit(PProjectModelNode parentNode, const QString& custo
     return newUnit;
 }
 
-Editor *Project::openUnit(int index)
+Editor *Project::openUnit(int index, bool forceOpen)
 {
     if ((index < 0) || (index >= mUnits.count()))
         return nullptr;
@@ -318,11 +318,8 @@ Editor *Project::openUnit(int index)
 
     if (!unit->fileName().isEmpty() && fileExists(unit->fileName())) {
         if (getFileType(unit->fileName())==FileType::Other) {
-            QMimeDatabase db;
-            QMimeType mimeType=db.mimeTypeForFile(unit->fileName());
-            if (!mimeType.isValid() || !mimeType.name().startsWith("text/")) {
+            if (forceOpen)
                 QDesktopServices::openUrl(QUrl::fromLocalFile(unit->fileName()));
-            }
             return nullptr;
         }
 
diff --git a/RedPandaIDE/project.h b/RedPandaIDE/project.h
index dbddbeaa..499b1c39 100644
--- a/RedPandaIDE/project.h
+++ b/RedPandaIDE/project.h
@@ -186,7 +186,7 @@ public:
     int indexInUnits(const Editor* editor) const;
     PProjectUnit  newUnit(PProjectModelNode parentNode,
                  const QString& customFileName="");
-    Editor* openUnit(int index);
+    Editor* openUnit(int index, bool forceOpen=true);
     Editor* unitEditor(const PProjectUnit& unit) const;
     Editor* unitEditor(const ProjectUnit* unit) const;
     Editor* unitEditor(int index) const {
diff --git a/RedPandaIDE/utils.cpp b/RedPandaIDE/utils.cpp
index f6bd5901..a2472f68 100644
--- a/RedPandaIDE/utils.cpp
+++ b/RedPandaIDE/utils.cpp
@@ -40,6 +40,7 @@
 #include "project.h"
 #include "compiler/executablerunner.h"
 #ifdef Q_OS_WIN
+#include <QMimeDatabase>
 #include <windows.h>
 #endif
 
@@ -276,6 +277,11 @@ FileType getFileType(const QString &filename)
     if (filename.endsWith(".dat",PATH_SENSITIVITY)) {
         return FileType::Text;
     }
+    QMimeDatabase db;
+    QMimeType mimeType=db.mimeTypeForFile(filename);
+    if (mimeType.isValid() && mimeType.name().startsWith("text/")) {
+        return FileType::Text;
+    }
     return FileType::Other;
 }