diff --git a/audio.go b/audio.go
index 49a84ed1..60793949 100644
--- a/audio.go
+++ b/audio.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/camera.go b/camera.go
index 6966a401..54f24654 100644
--- a/camera.go
+++ b/camera.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/event.go b/event.go
index 6f830410..8495301c 100644
--- a/event.go
+++ b/event.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/fs/asset/asset_mobile.go b/fs/asset/asset_mobile.go
index 17b84ea9..517d0018 100644
--- a/fs/asset/asset_mobile.go
+++ b/fs/asset/asset_mobile.go
@@ -1,6 +1,22 @@
 //go:build android || ios
 // +build android ios
 
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package asset
 
 import (
diff --git a/fs/asset/asset_others.go b/fs/asset/asset_others.go
index f263c6f1..385fbcae 100644
--- a/fs/asset/asset_others.go
+++ b/fs/asset/asset_others.go
@@ -1,6 +1,22 @@
 //go:build !android && !ios
 // +build !android,!ios
 
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package asset
 
 import (
diff --git a/fs/asset/localfs.go b/fs/asset/localfs.go
index 8a5301f9..967628ae 100644
--- a/fs/asset/localfs.go
+++ b/fs/asset/localfs.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package asset
 
 import (
diff --git a/fs/fs.go b/fs/fs.go
index c33637e9..50644575 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package fs
 
 import (
diff --git a/fs/fsutil/file_js.go b/fs/fsutil/file_js.go
index 71373a77..942b83bd 100644
--- a/fs/fsutil/file_js.go
+++ b/fs/fsutil/file_js.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package fsutil
 
 import (
diff --git a/fs/fsutil/file_nojs.go b/fs/fsutil/file_nojs.go
index 049565ee..24c7e95b 100644
--- a/fs/fsutil/file_nojs.go
+++ b/fs/fsutil/file_nojs.go
@@ -1,6 +1,22 @@
 //go:build !js
 // +build !js
 
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package fsutil
 
 import (
diff --git a/fs/zip/zipfs.go b/fs/zip/zipfs.go
index d2f42151..2786d6db 100644
--- a/fs/zip/zipfs.go
+++ b/fs/zip/zipfs.go
@@ -1,6 +1,22 @@
 //go:build !js
 // +build !js
 
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package zip
 
 import (
diff --git a/fs/zip/zipfs_js.go b/fs/zip/zipfs_js.go
index af6441bf..195c34a8 100644
--- a/fs/zip/zipfs_js.go
+++ b/fs/zip/zipfs_js.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package zip
 
 import (
diff --git a/game.go b/game.go
index 86d15735..42691419 100644
--- a/game.go
+++ b/game.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/input.go b/input.go
index 1673d811..545d0386 100644
--- a/input.go
+++ b/input.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/internal/anim/anim.go b/internal/anim/anim.go
index b922055e..5fca7387 100644
--- a/internal/anim/anim.go
+++ b/internal/anim/anim.go
@@ -134,7 +134,7 @@ type Animation struct {
 
 var globalAnimId int64 = 1
 
-//loopmodel = -1
+// loopmodel = -1
 func NewAnimation(name string, framePerSecond float64, dataType int, loopMode int) *Animation {
 	this := &Animation{}
 	this.Init(name, framePerSecond, dataType, loopMode)
diff --git a/list.go b/list.go
index f0f4c63a..332da85f 100644
--- a/list.go
+++ b/list.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/measure.go b/measure.go
index ec6a7d62..74096fea 100644
--- a/measure.go
+++ b/measure.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/monitor.go b/monitor.go
index 4f384465..970c56fc 100644
--- a/monitor.go
+++ b/monitor.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
@@ -30,18 +46,18 @@ type stageMonitor struct {
 }
 
 /*
-	"type": "stageMonitor",
-	"target": "",
-	"val": "getVar:score",
-	"color": 15629590,
-	"label": "score",
-	"mode": 1,
-	"sliderMin": 0,
-	"sliderMax": 100,
-	"x": 5,
-	"y": 5,
-	"isDiscrete": true,
-	"visible": true
+"type": "stageMonitor",
+"target": "",
+"val": "getVar:score",
+"color": 15629590,
+"label": "score",
+"mode": 1,
+"sliderMin": 0,
+"sliderMax": 100,
+"x": 5,
+"y": 5,
+"isDiscrete": true,
+"visible": true
 */
 func newStageMonitor(g reflect.Value, v specsp) (*stageMonitor, error) {
 	target := v["target"].(string)
diff --git a/pen.go b/pen.go
index ce4fdb84..fd2670d4 100644
--- a/pen.go
+++ b/pen.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/quote.go b/quote.go
index cceaf83d..caaa10ac 100644
--- a/quote.go
+++ b/quote.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/say.go b/say.go
index 31ce532e..1054adf3 100644
--- a/say.go
+++ b/say.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/spbase.go b/spbase.go
index 35528da2..8dd4a6a1 100644
--- a/spbase.go
+++ b/spbase.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/spgdi.go b/spgdi.go
index f9e290a4..b84147e0 100644
--- a/spgdi.go
+++ b/spgdi.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/sprite.go b/sprite.go
index 0350868b..a79eb8ec 100644
--- a/sprite.go
+++ b/sprite.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/tick.go b/tick.go
index 6aa3a8a6..21a5497e 100644
--- a/tick.go
+++ b/tick.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (
diff --git a/utils.go b/utils.go
index d451d1d6..96fb3fb5 100644
--- a/utils.go
+++ b/utils.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package spx
 
 import (