diff --git a/STM32G030xx_FLASH.ld b/STM32G030xx_FLASH.ld
index 78181f6..cfd41f3 100644
--- a/STM32G030xx_FLASH.ld
+++ b/STM32G030xx_FLASH.ld
@@ -62,13 +62,22 @@ _Min_Stack_Size = 0x400; /* required amount of stack */
 /* Specify the memory areas */
 MEMORY
 {
-RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 8K
-FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 32K
+  RAM (xrw)               : ORIGIN = 0x20000000, LENGTH = 8K
+  FLASH (rx)              : ORIGIN = 0x08000000, LENGTH = 32K
+  UNTRUSTED_FLASH (rx)    : ORIGIN = 0x08008000, LENGTH = 32K   /* 被屏蔽的不可信Flash区域 */
 }
 
 /* Define output sections */
 SECTIONS
 {
+  /* 指定不可信区域数据段存储 */
+  .untrusted_data :
+  {
+    . = ALIGN(4);
+    *(.untrusted_data)
+    *(.untrusted_data.*)
+  } > UNTRUSTED_FLASH
+
   /* The startup code goes first into FLASH */
   .isr_vector :
   {