[bugfix] fix when copy all as txt/markdown, tag node's output is unde…

…fined

Merge pull request #25 from GarinZ/v1.0.10

V1.0.10

Merge pull request #22 from GarinZ/v1.0.9

V1.0.9

Merge pull request #18 from GarinZ/v1.0.8

V1.0.8

Merge pull request #14 from GarinZ/v1.0.6

V1.0.6

Update README_zh.md

Update README.md

[bugfix] 修复每次更新也弹出welcome和tutorial的问题