diff --git a/src/cert_session.c b/src/cert_session.c
index 6f3bc60..4d06445 100644
--- a/src/cert_session.c
+++ b/src/cert_session.c
@@ -596,8 +596,6 @@ X509 *x509_create_cert(char *host, int days)
 
     mkcert(&x509, &pkey, 1024, 0, host, days);
 
-    CRYPTO_cleanup_all_ex_data();
-
     EVP_PKEY_free(pkey);
 
     return x509;
@@ -784,7 +782,7 @@ int x509_privatekey_init(EVP_PKEY **key, X509 **root)
         goto pkey_free;
     }
 
-	unsigned char buf[SG_DATA_SIZE * 2],*p;
+	unsigned char buf[SG_DATA_SIZE],*p;
     fp = fopen(key_path, "r");
     if (NULL == fp){
         mesa_runtime_log(RLOG_LV_FATAL, MODULE_NAME, "Failed to open file(%s)", key_path);
@@ -803,7 +801,7 @@ int x509_privatekey_init(EVP_PKEY **key, X509 **root)
         mesa_runtime_log(RLOG_LV_FATAL, MODULE_NAME, "Failed to open file(%s)", cert_path);
         goto pkey_free;
     }
-    len = fread(buf, 1, SG_DATA_SIZE * 2, fp);
+    len = fread(buf, 1, SG_DATA_SIZE, fp);
     fclose(fp);
 
     p = buf;
@@ -860,6 +858,7 @@ sample_decode_uri(const char *uri, char *host,
     if (vl)
         *valid = atoi(vl);
 
+    evhttp_clear_headers(&params);
     free(decoded_uri);
 
 finish:
diff --git a/src/rt/rt_common.h b/src/rt/rt_common.h
index 133e5e4..058c43e 100644
--- a/src/rt/rt_common.h
+++ b/src/rt/rt_common.h
@@ -1,10 +1,3 @@
-/*
- *   rt_common.h
- *   Created by fengweihao
- *   30 May, 2018
- *   Func: System timer control interface
- */
-
 #ifndef __RT_COMMON_H__
 #define __RT_COMMON_H__
 
diff --git a/src/rt/rt_sync.h b/src/rt/rt_sync.h
index 7fec285..b8fc272 100644
--- a/src/rt/rt_sync.h
+++ b/src/rt/rt_sync.h
@@ -1,12 +1,3 @@
-/*
-*   sync.h
-*   Created by Tsihang <qihang@semptian.com>
-*   1 June, 2015
-*   Func: System startup synchronous operation interface of SPASR
-*   Personal.Q
-*/
-
-
 #ifndef __SYSTEM_SYNC_H__
 #define __SYSTEM_SYNC_H__