diff --git a/README.md b/README.md
index e78bb1e..4cf0c04 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,9 @@
     Usage: [-?hdsc] [-s signal] [-c filename]
 
     Options:
-        -h            : help information
-        -d            : daemon
-        -s signal     : send signal to a master process: stop
-        -c filename   : set configuration file (default: conf/cproxy.ini)
+        -?,-h       : help information
+        -d          : daemon
+        -s signal   : send signal to a master process: stop
+        -c filename : set configuration file (default: conf/cproxy.ini)
 
-    May  7 2019 18:48:10 Compile、link.
\ No newline at end of file
+    May  7 2019 18:48:10 Compile、link.
diff --git a/conf.c b/conf.c
index cf00967..10dd7e0 100644
--- a/conf.c
+++ b/conf.c
@@ -212,5 +212,5 @@ void free_conf(conf *p)
     free(p->https_regrep);
     free(p->https_regrep_aim);
     free(p->https_regrep_obj);
-    
 }
+
diff --git a/conf.h b/conf.h
index 5a59a52..05ac947 100644
--- a/conf.h
+++ b/conf.h
@@ -4,6 +4,7 @@
 #include "iniparser.h"
 #include "cproxy.h"
 #include <unistd.h>
+
 char *strncpy_(char *dest, const char *src, size_t n);
 void read_conf(char *file, conf *p);
 void free_conf(conf *p);
diff --git a/conf/cproxy.ini b/conf/cproxy.ini
index c767782..507c7e9 100644
--- a/conf/cproxy.ini
+++ b/conf/cproxy.ini
@@ -8,7 +8,6 @@ http_port=80;
 http_del="x-online-host,X-Online-Host,host,Host";
 http_first="[M] [U] [V]\r\n.aixiao.me\rx-online-host: [host]\r\nhost: iread.wo.cn\r\n";
 strrep = "Mi MIX 2->Linux";
-;regrep = "host*.+?->host: iread.wo.cn";
 
 [https]
 https_ip=10.0.0.172;
@@ -17,3 +16,4 @@ https_del=",Host";
 https_first="[M] iread.wo.cn//https://[host]:[port]#iread.wo.cn [V]\r\nhost: iread.wo.cn:443\r\n";
 strrep = "Mi MIX 2->Linux";
 regrep = "Host*.+?->Host: iread.wo.cn:443";
+
diff --git a/conf/cproxy.ini.explain b/conf/cproxy.ini.explain
index 7c9226a..9c7df31 100644
--- a/conf/cproxy.ini.explain
+++ b/conf/cproxy.ini.explain
@@ -1,5 +1,5 @@
 模块: [server], [http], [https]
-[server]模块:
+[server]模块
 PORT 端口
 PID_FILE pid文件
 
@@ -10,8 +10,9 @@ PID_FILE pid文件
 [host] 原请求host
 [port] 原请求端口
 
-关键字strrep替换字符串指令
+关键字strrep替换字符串指令.
 strrep = "Mi MIX 2->Linux"; 以"->"为分界符,"Mi MIX 2"字符串替换为"Linux"字符串.
 
-关键字regrep正则匹配替换字符串
+关键字regrep正则匹配替换字符串.
 regrep = "Host*.+?->Host: iread.wo.cn:443"; 以"->"为分界符,匹配到的内容"Host*.+?"替换为"Host: iread.wo.cn:443"字符串.
+
diff --git a/cproxy.c b/cproxy.c
index 7b90b5b..b6e6c5a 100644
--- a/cproxy.c
+++ b/cproxy.c
@@ -328,6 +328,7 @@ int _main(int argc, char *argv[])
             exit(0);
             break;
         case 'c':
+            free_conf(configure);   // 如果指定-c参数就释放上次分配的内存
             inifile=optarg;
             read_conf(inifile, configure);
             break;
@@ -351,3 +352,4 @@ int main(int argc, char *argv[])
 {
     return _main(argc, argv);
 }
+
diff --git a/cproxy.h b/cproxy.h
index 6868f05..46cb38b 100644
--- a/cproxy.h
+++ b/cproxy.h
@@ -103,3 +103,4 @@ void rewrite_header();
 char help_information(void);
 
 #endif
+
diff --git a/cproxy_help.c b/cproxy_help.c
index ac2291c..121d94c 100644
--- a/cproxy_help.c
+++ b/cproxy_help.c
@@ -15,10 +15,10 @@ char help_information(void)
     static const char *s_help[] = {
         "",
         "Options:",
-        "    -h            : help information",
-        "    -d            : daemon",
-        "    -s signal     : send signal to a master process: stop",
-        "    -c filename   : set configuration file (default: conf/cproxy.ini)",
+        "    -?,-h       : help information",
+        "    -d          : daemon",
+        "    -s signal   : send signal to a master process: stop",
+        "    -c filename : set configuration file (default: conf/cproxy.ini)",
         "",
         0
     };
diff --git a/cproxy_help.h b/cproxy_help.h
index db3e7ca..a0880c1 100644
--- a/cproxy_help.h
+++ b/cproxy_help.h
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include "cproxy.h"
 #define BUILD(fmt...)  do { fprintf(stderr,"%s %s ",__DATE__,__TIME__); fprintf(stderr, ##fmt); } while(0)
+
 char help_information(void);
 
 #endif
diff --git a/cproxy_request.c b/cproxy_request.c
index 4a90e16..70c2bdd 100644
--- a/cproxy_request.c
+++ b/cproxy_request.c
@@ -490,7 +490,6 @@ int replacement_http_head(char *header_buffer, char *remote_host, int *remote_po
         char *M = malloc(l + 1);
         if (M) {
             strncpy_(M, HTTPS_HEAD, l);
-            //printf("%s", M);
         } else {
             free(M);
             return 0;
@@ -587,3 +586,4 @@ int replacement_http_head(char *header_buffer, char *remote_host, int *remote_po
     free(header_buffer_backup);
     return 1;
 }
+
diff --git a/cproxy_request.h b/cproxy_request.h
index 2c1cf44..2811ea9 100644
--- a/cproxy_request.h
+++ b/cproxy_request.h
@@ -6,6 +6,7 @@
 #include <stdlib.h>
 #include <regex.h>
 #include "cproxy.h"
+
 void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen);
 char *replace(char *replace_memory, int *replace_memory_len, const char *src, const int src_len, const char *dest, const int dest_len);
 void del_chr(char *s, char ch);
diff --git a/log/cproxy.pid b/log/cproxy.pid
index 0863c8e..c2a7542 100644
--- a/log/cproxy.pid
+++ b/log/cproxy.pid
@@ -1 +1 @@
-22338
\ No newline at end of file
+8604
\ No newline at end of file