diff --git a/.cproject b/.cproject
index b88c830..a6ad7c6 100644
--- a/.cproject
+++ b/.cproject
@@ -101,7 +101,7 @@
 									<listOptionValue builtIn="false" value="--print-memory-usage"/>
 								</option>
 								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.printfloat.1191876922" name="Use wchprintfloat(-lprintfloat)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.printfloat" useByScannerDiscovery="false" value="true" valueType="boolean"/>
-								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.other.1168669005" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.other" useByScannerDiscovery="false" value="-Wl,--wrap=memcpy" valueType="string"/>
+								<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.other.1168669005" name="Other linker flags" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.other" useByScannerDiscovery="false" value="" valueType="string"/>
 								<inputType id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker.input.1859223768" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker.input">
 									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
 									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
diff --git a/StdPeriphDriver/CH59x_sys.c b/StdPeriphDriver/CH59x_sys.c
index f7a2a6a..bb8ada5 100644
--- a/StdPeriphDriver/CH59x_sys.c
+++ b/StdPeriphDriver/CH59x_sys.c
@@ -398,13 +398,13 @@ int _write(int fd, char *buf, int size)
 
 #endif
 
-// https://www.cnblogs.com/debugdabiaoge/p/18543792
-__HIGH_CODE
-void *__wrap_memcpy(void *dst ,void *src, size_t size)
-{
-    __MCPY(dst, src, (void *)((uint32_t)src+size));
-    return dst;
-}
+// // https://www.cnblogs.com/debugdabiaoge/p/18543792
+// __HIGH_CODE
+// void *__wrap_memcpy(void *dst ,void *src, size_t size)
+// {
+//     __MCPY(dst, src, (void *)((uint32_t)src+size));
+//     return dst;
+// }
 
 /*********************************************************************
  * @fn      _sbrk