add chmod

Author: SUSYUSTC

.github/workflows/pyinstaller.yml

@@ -59,6 +59,9 @@ jobs:
         pyi-makespec --onefile update.py
         xvfb-run pyinstaller update.spec | awk '!/DEBUG/ && !/TRACE/'
 
+        chmod +x dist/MathTranslate
+        chmod +x dist/update
+
     - name: Build with PyInstaller (macOS)
       if: runner.os == 'macOS'
       run: |
@@ -75,6 +78,9 @@ jobs:
         pyi-makespec --onefile update.py
         pyinstaller update.spec | awk '!/DEBUG/ && !/TRACE/'
 
+        chmod +x dist/MathTranslate
+        chmod +x dist/update
+
     - name: Upload artifact
       uses: actions/upload-artifact@v2
       with: