diff --git a/src/exec.c b/src/exec.c
index 0197ae1..ef57889 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -356,7 +356,7 @@ static int hyper_setup_exec_tty(struct hyper_exec *e)
 		e->stderrfd = errpipe[1];
 	}
 
-	if (sprintf(ptmx, "/tmp/hyper/%s/devpts/ptmx", e->id) < 0) {
+	if (sprintf(ptmx, "/tmp/hyper/%s/devpts/ptmx", e->container_id) < 0) {
 		fprintf(stderr, "get ptmx path failed\n");
 		return -1;
 	}
@@ -480,9 +480,9 @@ static int hyper_do_exec_cmd(struct hyper_exec *exec, struct hyper_pod *pod, int
 		goto out;
 	}
 
-	c = hyper_find_container(pod, exec->id);
+	c = hyper_find_container(pod, exec->container_id);
 	if (c == NULL) {
-		fprintf(stderr, "can not find container %s\n", exec->id);
+		fprintf(stderr, "can not find container %s\n", exec->container_id);
 		goto out;
 	}
 
@@ -563,7 +563,7 @@ static void hyper_free_exec(struct hyper_exec *exec)
 {
 	int i;
 
-	free(exec->id);
+	free(exec->container_id);
 
 	for (i = 0; i < exec->argc; i++) {
 		//fprintf(stdout, "argv %d %s\n", i, exec->argv[i]);
@@ -600,9 +600,9 @@ int hyper_run_process(struct hyper_exec *exec)
 	int pid, ret = -1;
 	uint32_t type;
 
-	if (exec->argv == NULL || exec->seq == 0 || exec->id == NULL || strlen(exec->id) == 0) {
+	if (exec->argv == NULL || exec->seq == 0 || exec->container_id == NULL || strlen(exec->container_id) == 0) {
 		fprintf(stderr, "cmd is %p, seq %" PRIu64 ", container %s\n",
-			exec->argv, exec->seq, exec->id);
+			exec->argv, exec->seq, exec->container_id);
 		goto out;
 	}
 
@@ -822,7 +822,7 @@ int hyper_handle_exec_exit(struct hyper_pod *pod, int pid, uint8_t code)
 	}
 
 	fprintf(stdout, "%s exec exit pid %d, seq %" PRIu64 ", container %s\n",
-		__func__, exec->pid, exec->seq, exec->id);
+		__func__, exec->pid, exec->seq, exec->container_id);
 
 	exec->code = code;
 	exec->exit = 1;
diff --git a/src/exec.h b/src/exec.h
index cd500ce..bb634f7 100644
--- a/src/exec.h
+++ b/src/exec.h
@@ -27,7 +27,7 @@ struct hyper_exec {
 	uint8_t			ref;
 
 	// configs
-	char			*id;
+	char			*container_id;
 	char			*user;
 	char			*group;
 	char			**additional_groups;
diff --git a/src/parse.c b/src/parse.c
index 7c4c434..29c41ab 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -184,8 +184,8 @@ static void container_cleanup_exec(struct hyper_exec *exec)
 {
 	int i;
 
-	free(exec->id);
-	exec->id = NULL;
+	free(exec->container_id);
+	exec->container_id = NULL;
 
 	free(exec->user);
 	exec->user = NULL;
@@ -653,7 +653,7 @@ static int hyper_parse_container(struct hyper_pod *pod, struct hyper_container *
 		fprintf(stdout, "%d name %s\n", i, json_token_str(json, t));
 		if (json_token_streq(json, t, "id") && t->size == 1) {
 			c->id = (json_token_str(json, &toks[++i]));
-			c->exec.id = strdup(c->id);
+			c->exec.container_id = strdup(c->id);
 			fprintf(stdout, "container id %s\n", c->id);
 			i++;
 		} else if (json_token_streq(json, t, "rootfs") && t->size == 1) {
@@ -1296,8 +1296,8 @@ realloc:
 		jsmntok_t *t = &toks[i];
 
 		if (json_token_streq(json, t, "container")) {
-			exec->id = (json_token_str(json, &toks[++i]));
-			fprintf(stdout, "get container %s\n", exec->id);
+			exec->container_id = (json_token_str(json, &toks[++i]));
+			fprintf(stdout, "get container %s\n", exec->container_id);
 		} else if (json_token_streq(json, t, "process") && t->size == 1) {
 			j = hyper_parse_process(exec, json, &toks[++i]);
 			if (j < 0)
@@ -1306,7 +1306,7 @@ realloc:
 		}
 	}
 
-	if (exec->id == NULL || strlen(exec->id) == 0) {
+	if (exec->container_id == NULL || strlen(exec->container_id) == 0) {
 		fprintf(stderr, "execcmd format error, has no container id\n");
 		goto fail;
 	}