diff --git a/src/assets/layer/layer.js b/src/assets/layer/3.1.1/layer.js
similarity index 100%
rename from src/assets/layer/layer.js
rename to src/assets/layer/3.1.1/layer.js
diff --git a/src/assets/layer/theme/default/icon.png b/src/assets/layer/3.1.1/theme/default/icon.png
similarity index 100%
rename from src/assets/layer/theme/default/icon.png
rename to src/assets/layer/3.1.1/theme/default/icon.png
diff --git a/src/assets/layer/theme/default/layer.css b/src/assets/layer/3.1.1/theme/default/layer.css
similarity index 100%
rename from src/assets/layer/theme/default/layer.css
rename to src/assets/layer/3.1.1/theme/default/layer.css
diff --git a/src/assets/layer/theme/default/loading-1.gif b/src/assets/layer/3.1.1/theme/default/loading-1.gif
similarity index 100%
rename from src/assets/layer/theme/default/loading-1.gif
rename to src/assets/layer/3.1.1/theme/default/loading-1.gif
diff --git a/src/assets/layer/theme/default/loading-2.gif b/src/assets/layer/3.1.1/theme/default/loading-2.gif
similarity index 100%
rename from src/assets/layer/theme/default/loading-2.gif
rename to src/assets/layer/3.1.1/theme/default/loading-2.gif