diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
index 32abfc2..b7b0179 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
@@ -307,10 +307,11 @@ int main(void)
     PRINT("%s\n", VER_LIB);
     PRINT("SystemCoreClock:%d\n", SystemCoreClock);
     /* ===== 实验: 禁用全部 Flash/SPI 操作 (2026-08-12) =====
-       目的: 验证 SPI 操作是否触发复位循环 (UART2 隔离后依旧复位+乱码,
-             乱码紧跟 offlog_boot 的 SPI 写, 疑似 SPI 信号串扰 NRST/调试线)
-       #if 1 = 跳过全部 SPI; 通过后改 0 或删除本块恢复 */
-#if 1
+       结论: 禁用后设备稳定 → SPI 操作触发复位+乱码实锤
+       软件缓解: storage.c SPI 时钟降档 + GPIO 缓边沿 (见 SPI_Flash_Init)
+       硬件根治: NRST 加 100nF 电容 / SPI 走线远离 NRST / 串阻缓边沿
+       #if 0 = 恢复全部 SPI; 保留本块便于回退实验 */
+#if 0
     PRINT("ISOLATE: flash/SPI disabled (flash isolation test)\n");
 #else
     GetMacAddr(gMacAddr);
@@ -341,9 +342,9 @@ int main(void)
     uart_init();
 
     /* ===== 实验: 禁用 UART2 (Loop 口) 隔离测试 (2026-08-12) =====
-       目的: 验证 Loop MCU 数据/干扰是否导致复位循环 (RST_REASON 全 0 瞬态复位)
-       做法: USART2 关断 + PA3 脱离 UART 功能(上拉输入) — 等效软件断开 Loop
-       通过后删除此块; 另: 禁用后快照无帧入队, 同步验证快照 SPI 活动非诱因 */
+       结论: UART2 禁用后仍复位 → 与 Loop 数据路径无关 (后定位为 SPI 串扰)
+       #if 0 = 恢复 UART2 正常 */
+#if 0
     {
         GPIO_InitTypeDef gpio;
         USART_ITConfig(USART2, USART_IT_RXNE, DISABLE);
@@ -355,6 +356,7 @@ int main(void)
         GPIO_Init(GPIOA, &gpio);
         PRINT("ISOLATE: UART2 disabled (Loop isolation test)\n");
     }
+#endif
 
     TIM3_Init();
     TIM2_Init();
diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
index 87d7e56..8038b6c 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
@@ -90,13 +90,13 @@ void SPI_Flash_Init(void)
 
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
-    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
     GPIO_Init(GPIOA, &GPIO_InitStructure);
     GPIO_SetBits(GPIOA, GPIO_Pin_4);
 
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
-    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
     GPIO_Init(GPIOA, &GPIO_InitStructure);
 
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
@@ -105,7 +105,7 @@ void SPI_Flash_Init(void)
 
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
-    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
     GPIO_Init(GPIOA, &GPIO_InitStructure);
 
     SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
@@ -114,7 +114,7 @@ void SPI_Flash_Init(void)
     SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
     SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
     SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
-    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
     SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
     SPI_InitStructure.SPI_CRCPolynomial = 7;
     SPI_Init(SPI1, &SPI_InitStructure);