diff --git a/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.debug.gdbjtag.openocd.prefs b/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.debug.gdbjtag.openocd.prefs
deleted file mode 100644
index a469e11b..00000000
--- a/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.debug.gdbjtag.openocd.prefs
+++ /dev/null
@@ -1,3 +0,0 @@
-eclipse.preferences.version=1
-executable.name=openocd
-install.folder=/Users/ace/sys/gnu-mcu-eclipse/openocd/self/bin
diff --git a/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.managedbuild.cross.riscv.prefs b/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.managedbuild.cross.riscv.prefs
deleted file mode 100644
index 8cebf325..00000000
--- a/board/GD32VF103C_START/eclipse/hello_world/.settings/ilg.gnumcueclipse.managedbuild.cross.riscv.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-toolchain.path.512258282=/Users/ace/sys/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.2-20190521-0004/bin
diff --git a/board/GD32VF103C_START/eclipse/hello_world/.settings/language.settings.xml b/board/GD32VF103C_START/eclipse/hello_world/.settings/language.settings.xml
deleted file mode 100644
index cf17e40e..00000000
--- a/board/GD32VF103C_START/eclipse/hello_world/.settings/language.settings.xml
+++ /dev/null
@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project>
-    	
-    <configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1626121275" name="Debug">
-        		
-        <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-            			
-            <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-            			
-            <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-            			
-            <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-            			
-            <provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1310167466484573552" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
-                				
-                <language-scope id="org.eclipse.cdt.core.gcc"/>
-                				
-                <language-scope id="org.eclipse.cdt.core.g++"/>
-                			
-            </provider>
-            		
-        </extension>
-        	
-    </configuration>
-    	
-    <configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.991040509" name="Release">
-        		
-        <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-            			
-            <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-            			
-            <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-            			
-            <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-            			
-            <provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1317474887408019048" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
-                				
-                <language-scope id="org.eclipse.cdt.core.gcc"/>
-                				
-                <language-scope id="org.eclipse.cdt.core.g++"/>
-                			
-            </provider>
-            		
-        </extension>
-        	
-    </configuration>
-    
-</project>
diff --git a/board/GigaDevice_GD32VF103C_START/.project b/board/GigaDevice_GD32VF103C_START/.project
new file mode 100644
index 00000000..87584654
--- /dev/null
+++ b/board/GigaDevice_GD32VF103C_START/.project
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>GigaDevice_GD32VF103C_START</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>
diff --git a/board/GD32VF103C_START/BSP/Inc/mcu_init.h b/board/GigaDevice_GD32VF103C_START/BSP/Inc/mcu_init.h
similarity index 100%
rename from board/GD32VF103C_START/BSP/Inc/mcu_init.h
rename to board/GigaDevice_GD32VF103C_START/BSP/Inc/mcu_init.h
diff --git a/board/GD32VF103C_START/BSP/Inc/usart.h b/board/GigaDevice_GD32VF103C_START/BSP/Inc/usart.h
similarity index 100%
rename from board/GD32VF103C_START/BSP/Inc/usart.h
rename to board/GigaDevice_GD32VF103C_START/BSP/Inc/usart.h
diff --git a/board/GD32VF103C_START/BSP/Src/mcu_init.c b/board/GigaDevice_GD32VF103C_START/BSP/Src/mcu_init.c
similarity index 100%
rename from board/GD32VF103C_START/BSP/Src/mcu_init.c
rename to board/GigaDevice_GD32VF103C_START/BSP/Src/mcu_init.c
diff --git a/board/GD32VF103C_START/BSP/Src/usart.c b/board/GigaDevice_GD32VF103C_START/BSP/Src/usart.c
similarity index 100%
rename from board/GD32VF103C_START/BSP/Src/usart.c
rename to board/GigaDevice_GD32VF103C_START/BSP/Src/usart.c
diff --git a/board/GD32VF103C_START/TOS_CONFIG/tos_config.h b/board/GigaDevice_GD32VF103C_START/TOS_CONFIG/tos_config.h
similarity index 100%
rename from board/GD32VF103C_START/TOS_CONFIG/tos_config.h
rename to board/GigaDevice_GD32VF103C_START/TOS_CONFIG/tos_config.h
diff --git a/board/GD32VF103C_START/eclipse/hello_world/.cproject b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.cproject
similarity index 99%
rename from board/GD32VF103C_START/eclipse/hello_world/.cproject
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.cproject
index da3ae3b1..3857fccb 100644
--- a/board/GD32VF103C_START/eclipse/hello_world/.cproject
+++ b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.cproject
@@ -153,9 +153,9 @@
                                 								
                                 <option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.compiler.defs.1188292994" name="Defined symbols (-D)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.compiler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
                                     									
-                                    <listOptionValue builtIn="false" value="GD32VF103C_START"/>
-                                    									
                                     <listOptionValue builtIn="false" value="USE_STDPERIPH_DRIVER"/>
+                                    									
+                                    <listOptionValue builtIn="false" value="GD32VF103C_START"/>
                                     								
                                 </option>
                                 								
diff --git a/board/GD32VF103C_START/eclipse/hello_world/.gitignore b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.gitignore
similarity index 100%
rename from board/GD32VF103C_START/eclipse/hello_world/.gitignore
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.gitignore
diff --git a/board/GD32VF103C_START/eclipse/hello_world/.project b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.project
similarity index 91%
rename from board/GD32VF103C_START/eclipse/hello_world/.project
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.project
index bda85e3d..054900e6 100644
--- a/board/GD32VF103C_START/eclipse/hello_world/.project
+++ b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/.project
@@ -42,12 +42,12 @@
 		<link>
 			<name>Application/Inc</name>
 			<type>2</type>
-			<locationURI>TOP_DIR/board/GD32VF103C_START/BSP/Inc</locationURI>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/BSP/Inc</locationURI>
 		</link>
 		<link>
 			<name>Application/Src</name>
 			<type>2</type>
-			<locationURI>TOP_DIR/board/GD32VF103C_START/BSP/Src</locationURI>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/BSP/Src</locationURI>
 		</link>
 		<link>
 			<name>Application/tos_config.h</name>
diff --git a/board/GD32VF103C_START/eclipse/hello_world/gd32vf103_libopt.h b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/gd32vf103_libopt.h
similarity index 100%
rename from board/GD32VF103C_START/eclipse/hello_world/gd32vf103_libopt.h
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/gd32vf103_libopt.h
diff --git a/board/GD32VF103C_START/eclipse/hello_world/link.lds b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/link.lds
similarity index 100%
rename from board/GD32VF103C_START/eclipse/hello_world/link.lds
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/link.lds
diff --git a/board/GD32VF103C_START/eclipse/hello_world/main.c b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/main.c
similarity index 100%
rename from board/GD32VF103C_START/eclipse/hello_world/main.c
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/main.c
diff --git a/board/GD32VF103C_START/eclipse/hello_world/openocd_gdlink.cfg b/board/GigaDevice_GD32VF103C_START/eclipse/hello_world/openocd_gdlink.cfg
similarity index 100%
rename from board/GD32VF103C_START/eclipse/hello_world/openocd_gdlink.cfg
rename to board/GigaDevice_GD32VF103C_START/eclipse/hello_world/openocd_gdlink.cfg
diff --git a/board/SipeedLonganNano/BSP/Inc/mcu_init.h b/board/Sipeed_LonganNano/BSP/Inc/mcu_init.h
similarity index 100%
rename from board/SipeedLonganNano/BSP/Inc/mcu_init.h
rename to board/Sipeed_LonganNano/BSP/Inc/mcu_init.h
diff --git a/board/SipeedLonganNano/BSP/Inc/usart.h b/board/Sipeed_LonganNano/BSP/Inc/usart.h
similarity index 100%
rename from board/SipeedLonganNano/BSP/Inc/usart.h
rename to board/Sipeed_LonganNano/BSP/Inc/usart.h
diff --git a/board/SipeedLonganNano/BSP/Src/mcu_init.c b/board/Sipeed_LonganNano/BSP/Src/mcu_init.c
similarity index 100%
rename from board/SipeedLonganNano/BSP/Src/mcu_init.c
rename to board/Sipeed_LonganNano/BSP/Src/mcu_init.c
diff --git a/board/SipeedLonganNano/BSP/Src/usart.c b/board/Sipeed_LonganNano/BSP/Src/usart.c
similarity index 100%
rename from board/SipeedLonganNano/BSP/Src/usart.c
rename to board/Sipeed_LonganNano/BSP/Src/usart.c
diff --git a/board/SipeedLonganNano/README.md b/board/Sipeed_LonganNano/README.md
similarity index 100%
rename from board/SipeedLonganNano/README.md
rename to board/Sipeed_LonganNano/README.md
diff --git a/board/SipeedLonganNano/TOS_CONFIG/tos_config.h b/board/Sipeed_LonganNano/TOS_CONFIG/tos_config.h
similarity index 100%
rename from board/SipeedLonganNano/TOS_CONFIG/tos_config.h
rename to board/Sipeed_LonganNano/TOS_CONFIG/tos_config.h
diff --git a/board/SipeedLonganNano/eclipse/hello_world/.cproject b/board/Sipeed_LonganNano/eclipse/hello_world/.cproject
similarity index 100%
rename from board/SipeedLonganNano/eclipse/hello_world/.cproject
rename to board/Sipeed_LonganNano/eclipse/hello_world/.cproject
diff --git a/board/SipeedLonganNano/eclipse/hello_world/.gitignore b/board/Sipeed_LonganNano/eclipse/hello_world/.gitignore
similarity index 100%
rename from board/SipeedLonganNano/eclipse/hello_world/.gitignore
rename to board/Sipeed_LonganNano/eclipse/hello_world/.gitignore
diff --git a/board/SipeedLonganNano/eclipse/hello_world/.project b/board/Sipeed_LonganNano/eclipse/hello_world/.project
similarity index 91%
rename from board/SipeedLonganNano/eclipse/hello_world/.project
rename to board/Sipeed_LonganNano/eclipse/hello_world/.project
index c5eb0fb6..054900e6 100644
--- a/board/SipeedLonganNano/eclipse/hello_world/.project
+++ b/board/Sipeed_LonganNano/eclipse/hello_world/.project
@@ -42,12 +42,12 @@
 		<link>
 			<name>Application/Inc</name>
 			<type>2</type>
-			<locationURI>TOP_DIR/board/SipeedLonganNano/BSP/Inc</locationURI>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/BSP/Inc</locationURI>
 		</link>
 		<link>
 			<name>Application/Src</name>
 			<type>2</type>
-			<locationURI>TOP_DIR/board/SipeedLonganNano/BSP/Src</locationURI>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/BSP/Src</locationURI>
 		</link>
 		<link>
 			<name>Application/tos_config.h</name>
diff --git a/board/SipeedLonganNano/eclipse/hello_world/gd32vf103_libopt.h b/board/Sipeed_LonganNano/eclipse/hello_world/gd32vf103_libopt.h
similarity index 100%
rename from board/SipeedLonganNano/eclipse/hello_world/gd32vf103_libopt.h
rename to board/Sipeed_LonganNano/eclipse/hello_world/gd32vf103_libopt.h
diff --git a/board/SipeedLonganNano/eclipse/hello_world/link.lds b/board/Sipeed_LonganNano/eclipse/hello_world/link.lds
similarity index 100%
rename from board/SipeedLonganNano/eclipse/hello_world/link.lds
rename to board/Sipeed_LonganNano/eclipse/hello_world/link.lds
diff --git a/board/SipeedLonganNano/eclipse/hello_world/main.c b/board/Sipeed_LonganNano/eclipse/hello_world/main.c
similarity index 100%
rename from board/SipeedLonganNano/eclipse/hello_world/main.c
rename to board/Sipeed_LonganNano/eclipse/hello_world/main.c
diff --git a/board/SipeedLonganNano/openocd_sipeed_rv_debugger.cfg b/board/Sipeed_LonganNano/openocd_sipeed_rv_debugger.cfg
similarity index 100%
rename from board/SipeedLonganNano/openocd_sipeed_rv_debugger.cfg
rename to board/Sipeed_LonganNano/openocd_sipeed_rv_debugger.cfg