diff --git a/bsp/Vango_V85xx/SConstruct b/bsp/Vango_V85xx/SConstruct
index 8925090c6c..3a9b2f7f8e 100644
--- a/bsp/Vango_V85xx/SConstruct
+++ b/bsp/Vango_V85xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread-VangoV85xx.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/acm32f0x0-nucleo/SConstruct b/bsp/acm32f0x0-nucleo/SConstruct
index 855909626f..8fcaa3b5f3 100644
--- a/bsp/acm32f0x0-nucleo/SConstruct
+++ b/bsp/acm32f0x0-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/acm32f4xx-nucleo/SConstruct b/bsp/acm32f4xx-nucleo/SConstruct
index 8b56517bc3..401d642406 100644
--- a/bsp/acm32f4xx-nucleo/SConstruct
+++ b/bsp/acm32f4xx-nucleo/SConstruct
@@ -14,7 +14,7 @@ TARGET = 'rtthread_acm32f4xx.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/apm32/apm32f103xe-minibroard/SConstruct b/bsp/apm32/apm32f103xe-minibroard/SConstruct
index c253622173..3d48edf6c4 100644
--- a/bsp/apm32/apm32f103xe-minibroard/SConstruct
+++ b/bsp/apm32/apm32f103xe-minibroard/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/fm33lc026/SConstruct b/bsp/fm33lc026/SConstruct
index 9a333a067a..508827d37b 100644
--- a/bsp/fm33lc026/SConstruct
+++ b/bsp/fm33lc026/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/docs/GD32系列BSP制作教程.md b/bsp/gd32/docs/GD32系列BSP制作教程.md
index 8f50f631c9..a3437d8c80 100644
--- a/bsp/gd32/docs/GD32系列BSP制作教程.md
+++ b/bsp/gd32/docs/GD32系列BSP制作教程.md
@@ -163,7 +163,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/gd32407v-start/SConstruct b/bsp/gd32/gd32407v-start/SConstruct
index f1e671edb5..059efc6044 100644
--- a/bsp/gd32/gd32407v-start/SConstruct
+++ b/bsp/gd32/gd32407v-start/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32105c-eval/SConstruct b/bsp/gd32105c-eval/SConstruct
index 215861f94c..f1e0c18a2c 100644
--- a/bsp/gd32105c-eval/SConstruct
+++ b/bsp/gd32105c-eval/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread-gd32f30x.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/gd32107c-eval/SConstruct b/bsp/gd32107c-eval/SConstruct
index 215861f94c..f1e0c18a2c 100644
--- a/bsp/gd32107c-eval/SConstruct
+++ b/bsp/gd32107c-eval/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread-gd32f30x.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/hc32f460/SConstruct b/bsp/hc32f460/SConstruct
index bb318fb969..35ecacd8c8 100644
--- a/bsp/hc32f460/SConstruct
+++ b/bsp/hc32f460/SConstruct
@@ -23,7 +23,7 @@ TARGET = 'hc32f460.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/hc32l136/SConstruct b/bsp/hc32l136/SConstruct
index ae37ec6a48..9806517503 100644
--- a/bsp/hc32l136/SConstruct
+++ b/bsp/hc32l136/SConstruct
@@ -23,7 +23,7 @@ TARGET = 'hc32L136.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/hc32l196/SConstruct b/bsp/hc32l196/SConstruct
index 7314792045..c1c14b2533 100644
--- a/bsp/hc32l196/SConstruct
+++ b/bsp/hc32l196/SConstruct
@@ -22,7 +22,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/hk32/hk32f030c8-mini/SConstruct b/bsp/hk32/hk32f030c8-mini/SConstruct
index e51e4dd83a..ad8256372a 100644
--- a/bsp/hk32/hk32f030c8-mini/SConstruct
+++ b/bsp/hk32/hk32f030c8-mini/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/mm32f103x/SConstruct b/bsp/mm32f103x/SConstruct
index 8418d596c0..3e8cd0a5a2 100644
--- a/bsp/mm32f103x/SConstruct
+++ b/bsp/mm32f103x/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/n32g452xx/n32g452xx-mini-system/SConstruct b/bsp/n32g452xx/n32g452xx-mini-system/SConstruct
index f9dc643e92..f3a7d4189e 100755
--- a/bsp/n32g452xx/n32g452xx-mini-system/SConstruct
+++ b/bsp/n32g452xx/n32g452xx-mini-system/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/nrf5x/nrf52833/SConstruct b/bsp/nrf5x/nrf52833/SConstruct
index 2ac1ce6674..d0c5a5cdd5 100644
--- a/bsp/nrf5x/nrf52833/SConstruct
+++ b/bsp/nrf5x/nrf52833/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/stm32/stm32h743-armfly-V7/SConstruct b/bsp/stm32/stm32h743-armfly-V7/SConstruct
index 48974d990f..d4805c856c 100644
--- a/bsp/stm32/stm32h743-armfly-V7/SConstruct
+++ b/bsp/stm32/stm32h743-armfly-V7/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32wle5-yizhilian-lm401/SConstruct b/bsp/stm32/stm32wle5-yizhilian-lm401/SConstruct
index 77e638a5eb..6061b52175 100644
--- a/bsp/stm32/stm32wle5-yizhilian-lm401/SConstruct
+++ b/bsp/stm32/stm32wle5-yizhilian-lm401/SConstruct
@@ -19,7 +19,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/swm320-lq100/SConstruct b/bsp/swm320-lq100/SConstruct
index c11cd41bc7..ae310eb80c 100644
--- a/bsp/swm320-lq100/SConstruct
+++ b/bsp/swm320-lq100/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/tae32f5300/SConstruct b/bsp/tae32f5300/SConstruct
index 64fb270f47..318aabed60 100644
--- a/bsp/tae32f5300/SConstruct
+++ b/bsp/tae32f5300/SConstruct
@@ -21,7 +21,7 @@ TARGET = 'TAE32F53xx.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/wch/arm/ch32f103c8-core/SConstruct b/bsp/wch/arm/ch32f103c8-core/SConstruct
index fce1d604fd..e722f07677 100644
--- a/bsp/wch/arm/ch32f103c8-core/SConstruct
+++ b/bsp/wch/arm/ch32f103c8-core/SConstruct
@@ -21,7 +21,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
diff --git a/bsp/yichip/yc3121-pos/SConstruct b/bsp/yichip/yc3121-pos/SConstruct
index 8418d596c0..3e8cd0a5a2 100644
--- a/bsp/yichip/yc3121-pos/SConstruct
+++ b/bsp/yichip/yc3121-pos/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
 	AR = rtconfig.AR, ARFLAGS = '-rc',
 	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)