diff --git a/src/cmd/isulad-shim/common.c b/src/cmd/isulad-shim/common.c
index 2a1b9c532e53546996c7e4487ef1dfd64cfd92e2..abbc67cffc6665ca1fd5939899ee88fb67454906 100644
--- a/src/cmd/isulad-shim/common.c
+++ b/src/cmd/isulad-shim/common.c
@@ -108,10 +108,11 @@ bool file_exists(const char *f)
 int cmd_combined_output(const char *binary, const char *params[], void *output, int *output_len)
 {
     int ret = SHIM_ERR;
+    int status = 0;
     int exec_fd[2] = { -1, -1 };
     int stdio[2] = { -1, -1 };
     pid_t pid = 0;
-    char exec_buff[BUFSIZ + 1] = { 0 };
+    char exec_buff[BUFSIZ] = { 0 };
     ssize_t nread;
 
     if (pipe2(exec_fd, O_CLOEXEC) != 0) {
@@ -135,23 +136,24 @@ int cmd_combined_output(const char *binary, const char *params[], void *output,
         dup2(stdio[1], 2);
         execvp(binary, (char * const *)params);
         (void)dprintf(exec_fd[1], "fork/exec error: %s", strerror(errno));
+        _exit(EXIT_FAILURE);
     }
 
     // parent
     close(exec_fd[1]);
     close(stdio[1]);
-    nread = read_nointr(exec_fd[0], exec_buff, sizeof(exec_buff));
+    nread = read_nointr(exec_fd[0], exec_buff, BUFSIZ - 1);
     if (nread > 0) {
         ret = SHIM_ERR;
         goto out;
     }
-    *output_len = read_nointr(stdio[0], output, 8191);
+    *output_len = read_nointr(stdio[0], output, BUFSIZ - 1);
 
     close(stdio[0]);
     close(exec_fd[0]);
-    int status = 0;
     wait(&status);
     ret = SHIM_OK;
+
 out:
     if (ret != SHIM_OK && pid != 0) {
         kill(pid, 9);
diff --git a/src/cmd/isulad-shim/main.c b/src/cmd/isulad-shim/main.c
index 7b0b0521b6467ee28051aff21b0e863ceffde2be..bda2305ee9bf3a84d4e4bbe7de63255742cbcfe6 100644
--- a/src/cmd/isulad-shim/main.c
+++ b/src/cmd/isulad-shim/main.c
@@ -34,7 +34,7 @@ void signal_routine(int sig)
     switch (sig) {
         case SIGALRM:
             write_message(g_log_fd, ERR_MSG, "runtime timeout");
-            exit(1);
+            exit(EXIT_FAILURE);
         default:
             break;
     }
diff --git a/src/cmd/isulad-shim/process.c b/src/cmd/isulad-shim/process.c
index 5f929b768bd22eb7a54a5c3fa447160426de1639..0861c5aede9328ab7ce003ef1280055fa0190b3b 100644
--- a/src/cmd/isulad-shim/process.c
+++ b/src/cmd/isulad-shim/process.c
@@ -58,9 +58,8 @@ static shim_client_process_state* load_process()
     p_state = shim_client_process_state_parse_file("process.json", NULL, &err);
     if (p_state == NULL) {
         write_message(g_log_fd, ERR_MSG, "parse process state failed");
-        goto out;
     }
-out:
+
     if (err != NULL) {
         free(err);
     }
@@ -156,6 +155,7 @@ static int add_io_dispatch(int epfd, io_thread_t *io_thd, int from, int to)
 
         ret = epoll_ctl(epfd, EPOLL_CTL_ADD, from, &ev);
         if (ret != SHIM_OK) {
+            free(fn);
             write_message(g_log_fd, ERR_MSG, "add fd %d to epoll loop failed:%d", from, SHIM_SYS_ERR(errno));
             pthread_mutex_unlock(&(ioc->mutex));
             return SHIM_ERR;
@@ -417,13 +417,13 @@ static void* task_console_accept(void *data)
     conn_fd = accept(ac->listen_fd, NULL, NULL);
     if (conn_fd < 0) {
         write_message(g_log_fd, ERR_MSG, "accept from fd %d failed:%d", ac->listen_fd, SHIM_SYS_ERR(errno));
-        exit(EXIT_FAILURE);
+        goto out;
     }
 
     recv_fd = receive_fd(conn_fd);
     if (check_fd(recv_fd) != true) {
         write_message(g_log_fd, ERR_MSG, "check console fd failed");
-        exit(EXIT_FAILURE);
+        goto out;
     }
 
     // do console io copy
@@ -431,18 +431,19 @@ static void* task_console_accept(void *data)
     // p.state.stdin---->runtime.console
     ret = connect_to_isulad(ac->p, stdid_in, ac->p->state->isulad_stdin, recv_fd);
     if (ret != SHIM_OK) {
-        exit(EXIT_FAILURE);
+        goto out;
     }
 
     // p.state.stdout<------runtime.console
     ret = connect_to_isulad(ac->p, stdid_out, ac->p->state->isulad_stdout, recv_fd);
     if (ret != SHIM_OK) {
-        exit(EXIT_FAILURE);
+        goto out;
     }
 
     // if the terminal is used, we do not need to active the io copy of stderr pipe
     destory_io_thread(ac->p, stdid_err);
 
+out:
     // release listen socket
     close_fd(&ac->listen_fd);
     if (ac->p->console_sock_path != NULL) {
@@ -451,6 +452,9 @@ static void* task_console_accept(void *data)
         ac->p->console_sock_path = NULL;
     }
     free(ac);
+    if (ret != SHIM_OK) {
+        exit(EXIT_FAILURE);
+    }
 
     return NULL;
 }
@@ -513,7 +517,8 @@ static int console_init(process_t *p)
 
     fd = socket(AF_UNIX, SOCK_STREAM, 0);
     if (fd < 0) {
-        return SHIM_SYS_ERR(errno);
+        write_message(g_log_fd, ERR_MSG, "create socket failed:%d", SHIM_SYS_ERR(errno));
+        goto failure;
     }
 
     (void)memset(&addr, 0, sizeof(addr));
@@ -556,6 +561,7 @@ failure:
     if (ac != NULL) {
         free(ac);
     }
+    unlink(p->console_sock_path);
 
     return SHIM_ERR;
 }
@@ -628,12 +634,7 @@ static int open_terminal_io(process_t *p)
     }
 
     // begin listen and accept fd from p->console_sock_path
-    ret = console_init(p);
-    if (ret != SHIM_OK) {
-        write_message(g_log_fd, ERR_MSG, "init console failed:%d", ret);
-        return SHIM_ERR;
-    }
-    return SHIM_OK;
+    return console_init(p);
 }
 
 
@@ -821,7 +822,7 @@ static void process_kill_all(process_t *p)
     return;
 }
 
-void process_delete(process_t *p)
+static void process_delete(process_t *p)
 {
     if (p->state->exec) {
         return;
diff --git a/src/cmd/isulad-shim/process.h b/src/cmd/isulad-shim/process.h
index 71eca2e97571537fdf58822d31f3b8f76a7069b7..a3671d94d5e63b4c63ea56b342941ece7dde7ba0 100644
--- a/src/cmd/isulad-shim/process.h
+++ b/src/cmd/isulad-shim/process.h
@@ -90,7 +90,6 @@ int open_io(process_t *p);
 int process_io_init(process_t *p);
 int create_process(process_t *p);
 int process_signal_handle_routine(process_t *p);
-void process_delete(process_t *p);
 
 #ifdef __cplusplus
 }
diff --git a/src/services/execution/events/collector.c b/src/services/execution/events/collector.c
index 0e7dc73e3c024b792303703881d5a08da0606ca7..b4270b0f2c7626956199f6bec74013345005ea18 100644
--- a/src/services/execution/events/collector.c
+++ b/src/services/execution/events/collector.c
@@ -180,9 +180,9 @@ static void supplement_msg_for_events_handler(const struct monitord_msg *msg, st
 static int supplement_operator_for_container_msg(const struct monitord_msg *msg,
                                                  struct isulad_events_format *format_msg)
 {
-#define OPERATOR_MAX_LEN 50
+#define CONTAINER_OPERATOR_MAX_LEN 300
     int nret = 0;
-    char opt[OPERATOR_MAX_LEN] = {0x00};
+    char opt[CONTAINER_OPERATOR_MAX_LEN] = {0x00};
 
     if (strlen(msg->args) != 0) {
         nret = snprintf(opt, sizeof(opt), "container %s: %s", isulad_event_sta2str(msg->value), msg->args);
@@ -403,10 +403,10 @@ out:
 
 static int supplement_msg_for_image(struct monitord_msg *msg, struct isulad_events_format *format_msg)
 {
-#define OPERATOR_MAX_LEN 50
+#define IMAGE_OPERATOR_MAX_LEN 50
     int ret = 0;
     int nret = 0;
-    char opt[OPERATOR_MAX_LEN] = {0x00};
+    char opt[IMAGE_OPERATOR_MAX_LEN] = {0x00};
 
     format_msg->id = util_strdup_s(msg->name);
 
@@ -672,17 +672,17 @@ static int event_copy(const struct isulad_events_format *src, struct isulad_even
     }
 
     if (src->annotations_len != 0) {
-        util_free_array(dest->annotations);
+        util_free_array_by_len(dest->annotations, dest->annotations_len);
         dest->annotations = (char **)util_common_calloc_s(src->annotations_len * sizeof(char *));
         if (dest->annotations == NULL) {
             ERROR("Out of memory");
             return -1;
         }
 
-        if (dest->annotations)
-            for (i = 0; i < src->annotations_len; i++) {
-                dest->annotations[i] = util_strdup_s(src->annotations[i]);
-            }
+        for (i = 0; i < src->annotations_len; i++) {
+            dest->annotations[i] = util_strdup_s(src->annotations[i]);
+        }
+
         dest->annotations_len = src->annotations_len;
     }