diff --git a/conf.c b/conf.c
index 92adea1..c77f09c 100644
--- a/conf.c
+++ b/conf.c
@@ -204,9 +204,11 @@ static void parse_global_module(char *content, conf * conf)
         }
         if (strcasecmp(var, "CLAMAV_ARG") == 0) {
             val_begin_len = val_end - val_begin;
-            conf->CLAMAV_TIME_LEN = val_begin_len;
+            conf->CLAMAV_ARG_LEN = val_begin_len;
             if (copy_new_mem(val_begin, val_begin_len, &conf->CLAMAV_ARG) != 0)
                 return;
+        } else {
+            conf->CLAMAV_ARG_LEN = 0;
         }
         
         // 磁盘使用率
@@ -260,8 +262,10 @@ void read_conf(char *filename, conf * configure)
     int return_val;
 
     file = fopen(filename, "r");
-    if (file == NULL)
+    if (file == NULL) {
         perror("cannot open config file.");
+        return ;
+    }
     fseek(file, 0, SEEK_END);
     file_size = ftell(file);
     buff = (char *)alloca(file_size + 1);
diff --git a/conf.h b/conf.h
index 1eb768a..62e9309 100644
--- a/conf.h
+++ b/conf.h
@@ -23,6 +23,7 @@ typedef struct CONF
     char *CLAMAV_TIME;
     int CLAMAV_TIME_LEN;
     char *CLAMAV_ARG;
+    int CLAMAV_ARG_LEN;
 
     int IS_BLOCKED;
     int REFUSE_NUMBER;
diff --git a/rhost.c b/rhost.c
index c0e660e..1f4f5fe 100644
--- a/rhost.c
+++ b/rhost.c
@@ -957,6 +957,12 @@ int main(int argc, char *argv[], char **env)
     read_conf(path, conf);
     //ptintf_conf(conf);
     
+    if (0 == conf->CLAMAV_ARG_LEN)
+    {
+        printf("\033[31mError reading configuration file, please check the configuration file!\033[0m\n");
+
+        exit(-1);
+    }
     
     // 更新病毒库
     update_freshclam(argc, argv);