diff --git a/src/MeSuperVariable.cpp b/src/MeSuperVariable.cpp
index 070974bf..b6491b8a 100644
--- a/src/MeSuperVariable.cpp
+++ b/src/MeSuperVariable.cpp
@@ -221,7 +221,7 @@ void MeSuperVariable::arduino_super_var(uint8_t *data, uint32_t len, uint8_t *ou
  * \par Others
  *    None
  */
-void * MeSuperVariable::set_variable(char *name, uint8_t type, void *data, uint8_t len)//设置变量的值，要指定数据类型
+bool MeSuperVariable::set_variable(char *name, uint8_t type, void *data, uint8_t len)//设置变量的值，要指定数据类型
 {
   bool ret;
   bool bool_val,*bool_p;
diff --git a/src/MeSuperVariable.h b/src/MeSuperVariable.h
index 570c482f..d3506b92 100644
--- a/src/MeSuperVariable.h
+++ b/src/MeSuperVariable.h
@@ -301,7 +301,7 @@ class MeSuperVariable
    * \par Others
    *    None
    */
-  void *set_variable(char *name,uint8_t type,void *data, uint8_t len);
+  bool set_variable(char *name,uint8_t type,void *data, uint8_t len);
   
   /**
    * \par Function