diff --git a/code-tools/css_property_parser_gen.c b/code-tools/css_property_parser_gen.c
index 234e61662d05f1d105b7e4a0b2e7e46ba1b630d7..9804c552ed2b31914e4fba4975fe7dd564ee0ea8 100644
--- a/code-tools/css_property_parser_gen.c
+++ b/code-tools/css_property_parser_gen.c
@@ -92,23 +92,23 @@ void output_header(FILE *outputf, const char *descriptor, struct keyval *parser_
         "    Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.\n"
         "\n"
         "    This program is free software: you can redistribute it and/or modify\n"
-        "    it under the terms of the GNU General Public License as published by\n"
+        "    it under the terms of the GNU Lesser General License as published by\n"
         "    the Free Software Foundation, either version 3 of the License, or\n"
         "    (at your option) any later version.\n"
         "\n"
         "    This program is distributed in the hope that it will be useful,\n"
         "    but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
         "    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-        "    GNU General Public License for more details.\n"
+        "    GNU Lesser General License for more details.\n"
         "\n"
-        "    You should have received a copy of the GNU General Public License\n"
+        "    You should have received a copy of the GNU Lesser General License\n"
         "    along with this program.  If not, see <http://www.gnu.org/licenses/>.\n"
         "\n"
         "    Or,\n"
         "\n"
         "    As this program is a library, any link to this program must follow\n"
-        "    GNU General Public License version 3 (GPLv3). If you cannot accept\n"
-        "    GPLv3, you need to be licensed from FMSoft.\n"
+        "    GNU Lesser General License version 3 (LLGPLv3). If you cannot accept\n"
+        "    LLGPLv3, you need to be licensed from FMSoft.\n"
         "\n"
         "    If you have got a commercial license of this program, please use it\n"
         "    under the terms and conditions of the commercial license.\n"
diff --git a/code-tools/gen_prop_parser.sh b/code-tools/gen_prop_parser.sh
index 2314cafd4389f0309e5bfd19763de0b7fdc7661b..263fbadcda3db04689dfd5865ca5d32018b41c49 100755
--- a/code-tools/gen_prop_parser.sh
+++ b/code-tools/gen_prop_parser.sh
@@ -19,23 +19,23 @@
 #   Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 #
 #   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
+#   it under the terms of the GNU Lesser General License as published by
 #   the Free Software Foundation, either version 3 of the License, or
 #   (at your option) any later version.
 #
 #   This program is distributed in the hope that it will be useful,
 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
+#   GNU Lesser General License for more details.
 #
-#   You should have received a copy of the GNU General Public License
+#   You should have received a copy of the GNU Lesser General License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 #   Or,
 #
 #   As this program is a library, any link to this program must follow
-#   GNU General Public License version 3 (GPLv3). If you cannot accept
-#   GPLv3, you need to be licensed from FMSoft.
+#   GNU Lesser General License version 3 (LLGPLv3). If you cannot accept
+#   LLGPLv3, you need to be licensed from FMSoft.
 #
 #   If you have got a commercial license of this program, please use it
 #   under the terms and conditions of the commercial license.
diff --git a/code-tools/gen_prop_select.sh b/code-tools/gen_prop_select.sh
index 60b9ecfb2b2b715137272dee370b91349f62aa6f..4765dc0d6737526905583152c932fb2950c769d3 100755
--- a/code-tools/gen_prop_select.sh
+++ b/code-tools/gen_prop_select.sh
@@ -19,23 +19,23 @@
 #   Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 #
 #   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
+#   it under the terms of the GNU Lesser General License as published by
 #   the Free Software Foundation, either version 3 of the License, or
 #   (at your option) any later version.
 #
 #   This program is distributed in the hope that it will be useful,
 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
+#   GNU Lesser General License for more details.
 #
-#   You should have received a copy of the GNU General Public License
+#   You should have received a copy of the GNU Lesser General License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 #   Or,
 #
 #   As this program is a library, any link to this program must follow
-#   GNU General Public License version 3 (GPLv3). If you cannot accept
-#   GPLv3, you need to be licensed from FMSoft.
+#   GNU Lesser General License version 3 (LLGPLv3). If you cannot accept
+#   LLGPLv3, you need to be licensed from FMSoft.
 #
 #   If you have got a commercial license of this program, please use it
 #   under the terms and conditions of the commercial license.
diff --git a/src/layout/CMakeLists.txt b/src/layout/CMakeLists.txt
index 0e6bcbeba049f77441452708beeaf8d9d25df9ad..8c57172fc7401d48649a337905aec1150af42e08 100644
--- a/src/layout/CMakeLists.txt
+++ b/src/layout/CMakeLists.txt
@@ -17,23 +17,23 @@
 #   Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 #
 #   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
+#   it under the terms of the GNU Lesser General License as published by
 #   the Free Software Foundation, either version 3 of the License, or
 #   (at your option) any later version.
 #
 #   This program is distributed in the hope that it will be useful,
 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
+#   GNU Lesser General License for more details.
 #
-#   You should have received a copy of the GNU General Public License
+#   You should have received a copy of the GNU Lesser General License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 #   Or,
 #
 #   As this program is a library, any link to this program must follow
-#   GNU General Public License version 3 (GPLv3). If you cannot accept
-#   GPLv3, you need to be licensed from FMSoft.
+#   GNU Lesser General License version 3 (LGPLv3). If you cannot accept
+#   LGPLv3, you need to be licensed from FMSoft.
 #
 #   If you have got a commercial license of this program, please use it
 #   under the terms and conditions of the commercial license.
diff --git a/src/layout/src/layout.h b/src/layout/src/layout.h
index f10fe943fb182d4bd9531e2d60919cb8e465c38b..76195f633f4fe13f4beb5369b15d4459150c88cb 100644
--- a/src/layout/src/layout.h
+++ b/src/layout/src/layout.h
@@ -19,23 +19,23 @@
     Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 
     This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
+    it under the terms of the GNU Lesser General License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+    GNU Lesser General License for more details.
 
-    You should have received a copy of the GNU General Public License
+    You should have received a copy of the GNU Lesser General License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     Or,
 
     As this program is a library, any link to this program must follow
-    GNU General Public License version 3 (GPLv3). If you cannot accept
-    GPLv3, you need to be licensed from FMSoft.
+    GNU Lesser General License version 3 (LGPLv3). If you cannot accept
+    LGPLv3, you need to be licensed from FMSoft.
 
     If you have got a commercial license of this program, please use it
     under the terms and conditions of the commercial license.
diff --git a/src/layout/src/node.h b/src/layout/src/node.h
index 380bd710e862c13589f3e57d2ec4d1d800e8f7ee..7cbb97c474bc257843cff7b088aaef1ad973f42e 100644
--- a/src/layout/src/node.h
+++ b/src/layout/src/node.h
@@ -19,23 +19,23 @@
     Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 
     This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
+    it under the terms of the GNU Lesser General License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+    GNU Lesser General License for more details.
 
-    You should have received a copy of the GNU General Public License
+    You should have received a copy of the GNU Lesser General License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     Or,
 
     As this program is a library, any link to this program must follow
-    GNU General Public License version 3 (GPLv3). If you cannot accept
-    GPLv3, you need to be licensed from FMSoft.
+    GNU Lesser General License version 3 (LGPLv3). If you cannot accept
+    LGPLv3, you need to be licensed from FMSoft.
 
     If you have got a commercial license of this program, please use it
     under the terms and conditions of the commercial license.
diff --git a/src/layout/src/select.h b/src/layout/src/select.h
index 6e55d08805ac1924f3ffd0cb48670549dbcbab8a..f8fb317fbfb8b19da599278a828c9df217afdabe 100644
--- a/src/layout/src/select.h
+++ b/src/layout/src/select.h
@@ -19,23 +19,23 @@
     Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 
     This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
+    it under the terms of the GNU Lesser General License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+    GNU Lesser General License for more details.
 
-    You should have received a copy of the GNU General Public License
+    You should have received a copy of the GNU Lesser General License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     Or,
 
     As this program is a library, any link to this program must follow
-    GNU General Public License version 3 (GPLv3). If you cannot accept
-    GPLv3, you need to be licensed from FMSoft.
+    GNU Lesser General License version 3 (LGPLv3). If you cannot accept
+    LGPLv3, you need to be licensed from FMSoft.
 
     If you have got a commercial license of this program, please use it
     under the terms and conditions of the commercial license.
diff --git a/src/layout/src/utils.h b/src/layout/src/utils.h
index dd9fdfcfa9fba8ee3c5161564566e3de03d6ef56..09647e6513f53ff0057e77eca591eec62d691eca 100644
--- a/src/layout/src/utils.h
+++ b/src/layout/src/utils.h
@@ -19,23 +19,23 @@
     Copyright (C) 2021 Beijing FMSoft Technologies Co., Ltd.
 
     This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
+    it under the terms of the GNU Lesser General License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+    GNU Lesser General License for more details.
 
-    You should have received a copy of the GNU General Public License
+    You should have received a copy of the GNU Lesser General License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     Or,
 
     As this program is a library, any link to this program must follow
-    GNU General Public License version 3 (GPLv3). If you cannot accept
-    GPLv3, you need to be licensed from FMSoft.
+    GNU Lesser General License version 3 (LGPLv3). If you cannot accept
+    LGPLv3, you need to be licensed from FMSoft.
 
     If you have got a commercial license of this program, please use it
     under the terms and conditions of the commercial license.