diff --git a/samples/dev_model/dev_model_sample_ex.c b/samples/dev_model/dev_model_sample_ex.c
index 5f14beb..c4752db 100644
--- a/samples/dev_model/dev_model_sample_ex.c
+++ b/samples/dev_model/dev_model_sample_ex.c
@@ -79,7 +79,7 @@ static void _init_command_input_template(){
 
 }
 static void _input_parse_config(const char *cmd_id, const char *input){
-    if(0 == strncmp(cmd_id, "set_temp_correction", strlen("set_temp_correction")))
+    if((strlen(cmd_id) == strlen("set_temp_correction")) && (0 == strncmp(cmd_id, "set_temp_correction", strlen("set_temp_correction"))))
     {
         char *set_temp_correction_temp_correction = NULL;
         set_temp_correction_temp_correction = LITE_json_value_of((char *)"temp_correction", (char *)input);
@@ -109,7 +109,6 @@ static void _init_command_output_template(){
     cmd_output_set_temp_correction_effect_temp_correction.value.dm_node = &node_cmd_output_set_temp_correction_effect_temp_correction;
 
 }
-
 //用实际设备四元组替换
 #define UIOT_MY_PRODUCT_SN            "PRODUCT_SN"
 
diff --git a/tools/codegen.py b/tools/codegen.py
index 7a7ea7a..65cf083 100644
--- a/tools/codegen.py
+++ b/tools/codegen.py
@@ -214,7 +214,7 @@ class input_json_parse:
 
     def get_input_config(self):
         input_config = ""
-        input_config += "    if(0 == strncmp(cmd_id, \"{}\", strlen(\"{}\")))\n".format(self.cmd_id, self.cmd_id)
+        input_config += "    if((strlen(cmd_id) == strlen(\"{}\")) && (0 == strncmp(cmd_id, \"{}\", strlen(\"{}\"))))\n".format(self.cmd_id, self.cmd_id, self.cmd_id)
         input_config += "    {\n"
         input_config += "        char *{} = NULL;\n".format(self.cmd_id + "_" + self.input["Identifier"])
         input_config += "        {} = LITE_json_value_of((char *)\"{}\", (char *)input);\n".format(self.cmd_id + "_" +  self.input["Identifier"], self.input["Identifier"])