diff --git a/data/chips/CH32V203C6T6.yaml b/data/chips/CH32V203C6T6.yaml
index c895b43..44e6762 100644
--- a/data/chips/CH32V203C6T6.yaml
+++ b/data/chips/CH32V203C6T6.yaml
@@ -31,7 +31,7 @@ cores:
       - "../family/CH32V2.yaml"
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
-      - "../peripherals/FV2x_V3x_ADV_TIM1.yaml"
+      - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_ADC1.yaml"
       - "../peripherals/FV2x_V3x_ADC2.yaml"
diff --git a/data/chips/CH32V203C8T6.yaml b/data/chips/CH32V203C8T6.yaml
index 42d73f0..01cdfc5 100644
--- a/data/chips/CH32V203C8T6.yaml
+++ b/data/chips/CH32V203C8T6.yaml
@@ -32,8 +32,8 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
-      - "../peripherals/FV2x_V3x_ADV_TIM1.yaml"
+      - "../peripherals/V2x_USART4.yaml"
+      - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_ADC1.yaml"
       - "../peripherals/FV2x_V3x_ADC2.yaml"
diff --git a/data/chips/CH32V203C8U6.yaml b/data/chips/CH32V203C8U6.yaml
index 00b1702..faf3428 100644
--- a/data/chips/CH32V203C8U6.yaml
+++ b/data/chips/CH32V203C8U6.yaml
@@ -32,8 +32,8 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
-      - "../peripherals/FV2x_V3x_ADV_TIM1.yaml"
+      - "../peripherals/V2x_USART4.yaml"
+      - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_ADC1.yaml"
       - "../peripherals/FV2x_V3x_ADC2.yaml"
diff --git a/data/chips/CH32V203RBT6.yaml b/data/chips/CH32V203RBT6.yaml
index c6ea941..4082450 100644
--- a/data/chips/CH32V203RBT6.yaml
+++ b/data/chips/CH32V203RBT6.yaml
@@ -34,7 +34,7 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
+      - "../peripherals/V2x_USART4.yaml"
       - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_GP32_TIM5.yaml"
diff --git a/data/chips/CH32V208CBU6.yaml b/data/chips/CH32V208CBU6.yaml
index 5a2d66b..47a9dc1 100644
--- a/data/chips/CH32V208CBU6.yaml
+++ b/data/chips/CH32V208CBU6.yaml
@@ -35,7 +35,7 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
+      - "../peripherals/V2x_USART4.yaml"
       - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_GP32_TIM5.yaml"
diff --git a/data/chips/CH32V208RBT6.yaml b/data/chips/CH32V208RBT6.yaml
index 456afa6..de16c4d 100644
--- a/data/chips/CH32V208RBT6.yaml
+++ b/data/chips/CH32V208RBT6.yaml
@@ -35,7 +35,7 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
+      - "../peripherals/V2x_USART4.yaml"
       - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_GP32_TIM5.yaml"
diff --git a/data/chips/CH32V208WBU6.yaml b/data/chips/CH32V208WBU6.yaml
index e3051c6..8dccf37 100644
--- a/data/chips/CH32V208WBU6.yaml
+++ b/data/chips/CH32V208WBU6.yaml
@@ -35,7 +35,7 @@ cores:
       - "../peripherals/FV2x_V3x_USART1.yaml"
       - "../peripherals/FV2x_V3x_USART2.yaml"
       - "../peripherals/FV2x_V3x_USART3.yaml"
-      - "../peripherals/FV2x_V3x_USART4.yaml"
+      - "../peripherals/V2x_USART4.yaml"
       - "../peripherals/V1x_V2x_ADV_TIM1.yaml"
       - "../peripherals/FV2x_V3x_GP16_TIM234.yaml"
       - "../peripherals/FV2x_V3x_GP32_TIM5.yaml"
diff --git a/data/peripherals/V2x_USART4.yaml b/data/peripherals/V2x_USART4.yaml
new file mode 100644
index 0000000..ab89cfe
--- /dev/null
+++ b/data/peripherals/V2x_USART4.yaml
@@ -0,0 +1,38 @@
+# No GPIOE
+
+- name: USART4
+  address: 0x40004C00
+  registers:
+    kind: usart
+    version: common
+    block: USART
+  rcc:
+    bus_clock: PCLK1
+    kernel_clock: PCLK1
+    enable:
+      register: APB1PCENR
+      field: USART4EN
+    reset:
+      register: APB1PRSTR
+      field: USART4RST
+  interrupts:
+    - signal: GLOBAL
+      interrupt: UART4
+  remap:
+    register: PCFR2
+    field: USART4_RM
+  pins:
+    # 00:默认映射(TX/PC10，RX/PC11);
+    - pin: PC10
+      signal: TX
+      remap: 0b00
+    - pin: PC11
+      signal: RX
+      remap: 0b00
+    # 01:重映射(TX/PB0，RX/PB1);
+    - pin: PB0
+      signal: TX
+      remap: 0b01
+    - pin: PB1
+      signal: RX
+      remap: 0b01
\ No newline at end of file