diff --git a/runtime/src/http.c b/runtime/src/http.c
index 6b638ef..f9952a8 100644
--- a/runtime/src/http.c
+++ b/runtime/src/http.c
@@ -35,11 +35,12 @@ http_on_header_end(http_parser *parser)
 static inline int
 http_on_url(http_parser* parser, const char *at, size_t length)
 {
+#ifndef STANDALONE
 	struct sandbox *s = sandbox_current();
 	struct http_request *r = parser->data;
 
 	assert(strncmp(s->mod->name, (at + 1), length - 1) == 0);
-
+#endif
 	return 0;
 }
 
@@ -75,12 +76,14 @@ http_on_header_value(http_parser* parser, const char *at, size_t length)
 static inline int
 http_on_body(http_parser* parser, const char *at, size_t length)
 {
+#ifndef STANDALONE
         struct http_request *r = parser->data;
 	struct sandbox *c = sandbox_current();
 
         assert(length <= c->mod->max_req_sz);
 	r->body = (char *)at;
         r->bodylen = length;
+#endif
 
         return 0;
 }
@@ -88,16 +91,21 @@ http_on_body(http_parser* parser, const char *at, size_t length)
 int
 http_request_body_get(char **b)
 {
+#ifndef STANDALONE
 	struct sandbox *s = sandbox_current();
 	struct http_request *r = &s->rqi;
 
 	*b = r->body;
 	return r->bodylen;
+#else
+	return 0;
+#endif
 }
 
 int
 http_response_header_set(char *key, int len)
 {
+#ifndef STANDALONE
 	// by now, req_resp_data should only be containing response!
 	struct sandbox *c = sandbox_current();
 	struct http_response *r = &c->rsi;
@@ -106,39 +114,45 @@ http_response_header_set(char *key, int len)
 	r->nheaders++;
 	r->headers[r->nheaders-1].hdr = key;
 	r->headers[r->nheaders-1].len = len;
+#endif
 
 	return 0;
 }
 
 int http_response_body_set(char *body, int len)
 {
+#ifndef STANDALONE
 	struct sandbox *c = sandbox_current();
 	struct http_response *r = &c->rsi;
 
 	assert(len < c->mod->max_resp_sz);
 	r->body = body;
 	r->bodylen = len;
+#endif
 
 	return 0;
 }
 
 int http_response_status_set(char *status, int len)
 {
+#ifndef STANDALONE
 	struct sandbox *c = sandbox_current();
 	struct http_response *r = &c->rsi;
 
 	r->status = status;
 	r->stlen = len;
+#endif
 
 	return 0;
 }
 
 int http_response_uv(void)
 {
+	int nb = 0;
+#ifndef STANDALONE
 	struct sandbox *c = sandbox_current();
 	struct http_response *r = &c->rsi;
 
-	int nb = 0;
 
 	r->bufs[nb] = uv_buf_init(r->status, r->stlen);
 	nb++;
@@ -153,6 +167,7 @@ int http_response_uv(void)
 		r->bufs[nb] = uv_buf_init(r->status + r->stlen - 2, 2); //for crlf
 		nb++;
 	}
+#endif
 	
 	return nb;
 }
@@ -160,8 +175,10 @@ int http_response_uv(void)
 int
 http_request_parse(void)
 {
+#ifndef STANDALONE
 	struct sandbox *s = sandbox_current();
 	http_parser_execute(&s->hp, &settings, s->req_resp_data, s->rr_data_len);
+#endif
 	return 0;
 }
 
diff --git a/runtime/src/libc/uvio.c b/runtime/src/libc/uvio.c
index 76a5d77..c834d0c 100644
--- a/runtime/src/libc/uvio.c
+++ b/runtime/src/libc/uvio.c
@@ -1,6 +1,7 @@
 #ifdef USE_UVIO
 #include <runtime.h>
 #include <uv.h>
+#include <http.h>
 
 // What should we tell the child program its UID and GID are?
 #define UID 0xFF
@@ -434,6 +435,7 @@ i32
 wasm_readv(i32 fd, i32 iov_offset, i32 iovcnt)
 {
 	if (fd == 0) {
+#ifdef STANDALONE
 		int len = 0, r = 0;
 		struct wasm_iovec *iov = get_memory_ptr_void(iov_offset, iovcnt * sizeof(struct wasm_iovec));
 		for (int i = 0; i < iovcnt; i+= RDWR_VEC_MAX) {
@@ -450,6 +452,25 @@ wasm_readv(i32 fd, i32 iov_offset, i32 iovcnt)
 		}
 
 		return r < 0 ? r : len;
+#else
+		//both 1 and 2 go to client.
+		int len = 0;
+		struct wasm_iovec *iov = get_memory_ptr_void(iov_offset, iovcnt * sizeof(struct wasm_iovec));
+		struct sandbox *s = sandbox_current();
+		struct http_request *r = &s->rqi;
+		if (r->bodylen <= 0) return 0;
+		for (int i = 0; i < iovcnt; i++) {
+			int l = iov[i].len > r->body_len ? r->body_len : iov[i].len;
+			if (l <= 0) break;
+			char *b = get_memory_ptr_void(iov[i].base_offset, iov[i].len);
+			//http request body!
+			memcpy(b, r->body + len, l);
+			len += l;
+			r->bodylen -= l;
+		}
+
+		return len;
+#endif
 	}
 	// TODO: read on other file types
 	int gret = 0;
@@ -485,6 +506,7 @@ wasm_writev(i32 fd, i32 iov_offset, i32 iovcnt)
 {
 	struct sandbox *c = sandbox_current();
 	if (fd == 1 || fd == 2) {
+#ifndef STANDALONE
 		//both 1 and 2 go to client.
 		int len = 0;
 		struct wasm_iovec *iov = get_memory_ptr_void(iov_offset, iovcnt * sizeof(struct wasm_iovec));
@@ -496,20 +518,22 @@ wasm_writev(i32 fd, i32 iov_offset, i32 iovcnt)
 		}
 
 		return len;
-//		for (int i = 0; i < iovcnt; i+= RDWR_VEC_MAX) {
-//			struct iovec bufs[RDWR_VEC_MAX] = { 0 };
-//			int j = 0;
-//			for (j = 0; j < RDWR_VEC_MAX && i + j < iovcnt; j++) {
-//				bufs[j].iov_base = get_memory_ptr_void(iov[i + j].base_offset, iov[i + j].len);
-//				bufs[j].iov_len = iov[i + j].len;
-//			}
-//
-//			r = writev(fd, bufs, j);
-//			if (r <= 0) break;
-//			len += r;
-//		}
-//
-//		return r < 0 ? r : len;
+#else
+		for (int i = 0; i < iovcnt; i+= RDWR_VEC_MAX) {
+			struct iovec bufs[RDWR_VEC_MAX] = { 0 };
+			int j = 0;
+			for (j = 0; j < RDWR_VEC_MAX && i + j < iovcnt; j++) {
+				bufs[j].iov_base = get_memory_ptr_void(iov[i + j].base_offset, iov[i + j].len);
+				bufs[j].iov_len = iov[i + j].len;
+			}
+
+			r = writev(fd, bufs, j);
+			if (r <= 0) break;
+			len += r;
+		}
+
+		return r < 0 ? r : len;
+#endif
 	}
 	// TODO: read on other file types
 	int d = io_handle_fd(fd);
diff --git a/runtime/src/main.c b/runtime/src/main.c
index 3265337..2883205 100644
--- a/runtime/src/main.c
+++ b/runtime/src/main.c
@@ -28,7 +28,7 @@ usage(char *cmd)
 }
 
 int
-main(int argc, char* argv[])
+main(int argc, char** argv)
 {
 #ifndef STANDALONE
 	int i = 0, rtthd_ret[SBOX_NCORES] = { 0 };
@@ -124,10 +124,24 @@ main(int argc, char* argv[])
 	arch_context_init(&base_context, 0, 0);
 	uv_loop_init(&uvio);
 
+	int ac = 1;
+	char *args = argv[1];
+	if (argc - 1 > 1) {
+		ac = argc - 1;
+		char **av = argv + 1;
+		args = malloc(sizeof(char) * MOD_ARG_MAX_SZ * ac);
+		memset(args, 0, sizeof(char) * MOD_ARG_MAX_SZ * ac);
+
+		for (int i = 0; i < ac; i++) {
+			char *a = args + (i * MOD_ARG_MAX_SZ * sizeof(char));
+			strcpy(a, av[i]);
+		}
+	}
+
 	/* in current dir! */
-	struct module *m = module_alloc(argv[1], argv[1], 0, 0, 0, 0, 0, 0, 0);
+	struct module *m = module_alloc(args, args, ac, 0, 0, 0, 0, 0, 0);
 	assert(m);
-	struct sandbox *s = sandbox_alloc(m, argv[1], 0, NULL);
+	struct sandbox *s = sandbox_alloc(m, args, 0, NULL);
 
 	exit(0);
 #endif
diff --git a/runtime/src/module.c b/runtime/src/module.c
index 5deb6a9..264f744 100644
--- a/runtime/src/module.c
+++ b/runtime/src/module.c
@@ -23,11 +23,13 @@ module_find_by_name(char *name)
 struct module *
 module_find_by_sock(int sock)
 {
+#ifndef STANDALONE
 	int f = __mod_free_off;
 	for (int i = 0; i < f; i++) {
 		assert(__mod_db[i]);
 		if (__mod_db[i]->srvsock == sock) return __mod_db[i];
 	}
+#endif
 	return NULL;
 }
 
diff --git a/runtime/src/runtime.c b/runtime/src/runtime.c
index 2c6ecaa..8efe587 100644
--- a/runtime/src/runtime.c
+++ b/runtime/src/runtime.c
@@ -246,6 +246,7 @@ sandbox_exit(void)
 void *
 runtime_accept_thdfn(void *d)
 {
+#ifndef STANDALONE
 	struct epoll_event *epevts = (struct epoll_event *)malloc(EPOLL_MAX * sizeof(struct epoll_event));
 	int nreqs = 0;
 	while (1) {
@@ -274,6 +275,7 @@ runtime_accept_thdfn(void *d)
 	}
 
 	free(epevts);
+#endif
 
 	return NULL;
 }
diff --git a/runtime/src/sandbox.c b/runtime/src/sandbox.c
index 5d5e3e5..a2b4912 100644
--- a/runtime/src/sandbox.c
+++ b/runtime/src/sandbox.c
@@ -10,7 +10,11 @@ static inline struct sandbox *
 sandbox_memory_map(struct module *m)
 {
 	unsigned long mem_sz = SBOX_MAX_MEM; // 4GB
+#ifndef STANDALONE
 	unsigned long sb_sz = sizeof(struct sandbox) + m->max_rr_sz;
+#else
+	unsigned long sb_sz = sizeof(struct sandbox);
+#endif
 	unsigned long lm_sz = WASM_PAGE_SIZE * WASM_START_PAGES;
 
 	if (lm_sz + sb_sz > mem_sz) return NULL;
@@ -56,7 +60,7 @@ sandbox_args_setup(i32 argc)
 
 		array_ptr[i] = string_off;
 		// why get_memory_ptr_for_runtime??
-		strncpy(get_memory_ptr_for_runtime(string_off, strlen(arg) + 1), arg, strlen(arg));
+		strncpy(get_memory_ptr_for_runtime(string_off, str_sz), arg, strlen(arg));
 
 		string_off += str_sz;
 	}
@@ -85,8 +89,10 @@ sb_alloc_callback(uv_handle_t *h, size_t suggested, uv_buf_t *buf)
 {
 	struct sandbox *c = h->data;
 
+#ifndef STANDALONE
 	buf->base = (c->req_resp_data + c->rr_data_len);
 	buf->len = (c->mod->max_rr_sz - c->rr_data_len);
+#endif
 }
 
 static inline void
@@ -275,10 +281,12 @@ sandbox_alloc(struct module *mod, char *args, int sock, const struct sockaddr *a
 		perror("mmap");
 		assert(0);
 	}
+#ifndef STANDALONE
 	sb->csock = sock;
+	if (addr) memcpy(&sb->client, addr, sizeof(struct sockaddr));
+#endif
 	for (int i = 0; i < SBOX_MAX_OPEN; i++) sb->handles[i].fd = -1;
 	ps_list_init_d(sb);
-	if (addr) memcpy(&sb->client, addr, sizeof(struct sockaddr));
 
 	arch_context_init(&sb->ctxt, (reg_t)sandbox_entry, (reg_t)(sb->stack_start + sb->stack_size));
 	sandbox_run(sb);