diff --git a/bsp/Vango_V85xx/SConstruct b/bsp/Vango_V85xx/SConstruct
index 8925090c6c57fd8b9d3e46c3e60e750b5584fd1c..3a9b2f7f8e865f23be79e70f218d6cce29466d84 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 855909626f2a49035abab52ec100df18709b905d..8fcaa3b5f3d22f88f825d49ecc7c93177fb53663 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 8b56517bc320e7556a8a662ae35a36c1565e7439..401d64240657f94b2e1f1a42a6570b4c1b1f7d2f 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 c253622173309a9be59efb7043088a36ee76ee9d..3d48edf6c4853439325cab3ba123a2f37ccc8cd0 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 9a333a067ae7023f3f88a9fc2715817190c1d592..508827d37b8638457b50aa0481d52fe570000814 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\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md" "b/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
index 8f50f631c90fe85de3b3da077852a3aea6f91655..a3437d8c80fd71d4a8d8dac8a1c916544755e133 100644
--- "a/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
+++ "b/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.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 f1e671edb5f781a62056f16c6f0eb80f91c904b4..059efc6044a78dcb0ba3dd148ac51fb366dae7d0 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 215861f94cb6efa359e555b9ff75907b6ef38282..f1e0c18a2cdae6d0caf49c3d77099e32a13461ea 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 215861f94cb6efa359e555b9ff75907b6ef38282..f1e0c18a2cdae6d0caf49c3d77099e32a13461ea 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 bb318fb9699f833ae8ade82eea24967be5aaef8e..35ecacd8c869f87cdd84dfd75e1fb714ec08d6fd 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 ae37ec6a4897782a8119a553bcf5ada92deb3447..98065175037e743e989b64e627b2b6c5e6b51ff0 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 7314792045fa996987524d1c76c1973800ab3182..c1c14b2533603c6074accfeaf57f2e9826f0b993 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 e51e4dd83af53458f804d6b621d7985abdb10607..ad8256372a0aa368657b227124c19811822387be 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 8418d596c0e105a12aed0c3362b22187e47804f8..3e8cd0a5a29484eccec62e519f0ea1d5d7fe1374 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 f9dc643e92a8e38b19f644c6ca876af48c63117e..f3a7d4189e4f9371ca0afde03fa67838e7e6df0e 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 2ac1ce6674022e47bea090dc83914a90f23765e0..d0c5a5cdd56bf349b81ae41a6419a40cdbcbef04 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 48974d990f93100c8fc7a4b64328082a56cadd72..d4805c856cc93d601b66a54f07010c8171c8ced2 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 77e638a5ebbb3fb552e8cf0c34028b99f1911ed9..6061b5217587a66f8c3330bc4ea399d29d8730a2 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 c11cd41bc7d150d6dd91a74af9433a4a2d291f6a..ae310eb80ce052d3860dc85f7617dfe883d04f9d 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 64fb270f472b78ebea636be3f674a20ce9d6599b..318aabed6051f57a31b5587208fe4ce98c3f46d4 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 fce1d604fd21053bb22dfb1391d444a5251f77c9..e722f07677778eaea1a354006db0d62cb93421e1 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 8418d596c0e105a12aed0c3362b22187e47804f8..3e8cd0a5a29484eccec62e519f0ea1d5d7fe1374 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)