diff --git a/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
index 90cca69a13393e832c3917a065a7e0b2a7a25d9c..e6b05ca3c928d9da324244f8fcaee6e91a78e1ea 100644
--- a/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
@@ -37,6 +37,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F20x_standard_peripheral/Source/gd32f20x_rtc.c']
+    src += ['GD32F20x_standard_peripheral/Source/gd32f20x_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F20x_standard_peripheral/Source/gd32f20x_wwdgt.c']
diff --git a/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
index 09f70ea98994df8282be49f0b9ab4fa265b6128a..5341d8bc525a9d1dfda19fb947fb6fe42596d123 100644
--- a/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
@@ -37,6 +37,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F30x_standard_peripheral/Source/gd32f30x_rtc.c']
+    src += ['GD32F30x_standard_peripheral/Source/gd32f30x_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F30x_standard_peripheral/Source/gd32f30x_wwdgt.c']
diff --git a/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
index 5f87f85bdd73586b45d03c41748dc16bcf5e88fe..1963d0e1db1994e82351cfb7464f36fbfc427f8c 100644
--- a/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
@@ -38,6 +38,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_rtc.c']
+    src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_wwdgt.c']