diff --git a/STM32CubeIDE/.cproject b/STM32CubeIDE/.cproject
index 7870d0d..2763ff6 100644
--- a/STM32CubeIDE/.cproject
+++ b/STM32CubeIDE/.cproject
@@ -155,7 +155,7 @@
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.2024044405" name="Define symbols (-D)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" useByScannerDiscovery="false" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="CORE_CM4"/>
 									<listOptionValue builtIn="false" value="CLOCK_SYNC"/>
-									<listOptionValue builtIn="false" value="RM2_1"/>
+									<listOptionValue builtIn="false" value="RM2"/>
 									<listOptionValue builtIn="false" value="STS_O6"/>
 									<listOptionValue builtIn="false" value="YUNHORN_STS_RANDOM"/>
 									<listOptionValue builtIn="false" value="STM32WLE5xx"/>
diff --git a/readme.txt b/readme.txt
index 9a8dfb1..b9e453c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -47,5 +47,6 @@ STS_O7 For Occupancy sensors
 2024-08-06  start focus on fall detection
 2024-08-06  a...
 *****************************************************************************
+2025-05-15 modify for old rm2 fox pixel_network_rm2, 4pcs 
 
  */