add error message method

wangzhengquan

2020-12-24 8284df1d749fa7adb334fe4f43da77bfc9c05a71

 .gitignore

@@ -12,7 +12,6 @@
*.pch

# Compiled Dynamic libraries
*.so
*.dylib
*.dll

@@ -23,7 +22,13 @@
# Compiled Static libraries
*.lai
*.la
*.a
# Compiled Dynamic libraries
*.dylib
*.dll

# Compiled Static libraries
*.lai
*.la
*.lib

# Executables
@@ -32,4 +37,11 @@
*.app
*.tar
*.tar.gz
*.d
.vscode/
.idea/

build/
*.tmp
*.txt
core