diff --git a/communication_lite/lwip_hal/src/lwip_func_test.c b/communication_lite/lwip_hal/src/lwip_func_test.c
index f350dbb0cf2b3f0dc589b57895db123d4af1fa12..cb5b31bb37954fd4acf5e13bb0d3aeec1bfd78db 100755
--- a/communication_lite/lwip_hal/src/lwip_func_test.c
+++ b/communication_lite/lwip_hal/src/lwip_func_test.c
@@ -555,6 +555,10 @@ LITE_TEST_CASE(LwipFuncTestSuite, testTcp, Function | MediumTest | Level2)
     }
     TEST_ASSERT_EQUAL_INT(1, g_clientResult);
     TEST_ASSERT_EQUAL_INT(1, g_serverResult);
+    
+    osDelay(ONE_SECOND);
+    g_serverWait = 1;
+    g_clientWait = 1;
 }
 
 /**
@@ -646,50 +650,19 @@ LITE_TEST_CASE(LwipFuncTestSuite, testSelectTimeout, Function | MediumTest | Lev
 }
 
 /**
- * @tc.number    : SUB_COMMUNICATION_LWIP_SDK_0600
- * @tc.name      : test select with multi clients
+ * @tc.number    : SUB_COMMUNICATION_LWIP_SDK_0500
+ * @tc.name      : test socket
  * @tc.desc      : [C- SOFTWARE -0200]
  */
-LITE_TEST_CASE(LwipFuncTestSuite, testSelectMultiClients, Function | MediumTest | Level2)
+LITE_TEST_CASE(LwipFuncTestSuite, testSocket, Function | MediumTest | Level2)
 {
-    osThreadAttr_t tSelect;
-    tSelect.name = "SelectServerTask";
-    tSelect.attr_bits = 0U;
-    tSelect.cb_mem = NULL;
-    tSelect.cb_size = 0U;
-    tSelect.stack_mem = NULL;
-    tSelect.stack_size = DEF_TASK_STACK;
-    tSelect.priority = DEF_TASK_PRIORITY;
-
-    g_selectTimeout = 5;
-    osThreadId_t serverTaskId = osThreadNew((osThreadFunc_t)SelectServerTask, NULL, &tSelect);
-    TEST_ASSERT_NOT_NULL(serverTaskId);
-    osDelay(ONE_SECOND);
-    if (serverTaskId == NULL) {
-        printf("create select server task fail!\n");
-    } else {
-        osThreadAttr_t tClient[2];
-        osThreadId_t clientTaskId;
-        char taskName[2][8] = {"client1", "client2"};
-        for (int i = 0; i < 2; i++) {
-            tClient[i].name = taskName[i];
-            tClient[i].attr_bits = 0U;
-            tClient[i].cb_mem = NULL;
-            tClient[i].cb_size = 0U;
-            tClient[i].stack_mem = NULL;
-            tClient[i].stack_size = DEF_TASK_STACK;
-            tClient[i].priority = DEF_TASK_PRIORITY;
-            clientTaskId = osThreadNew((osThreadFunc_t)CommTcpClientTask, NULL, &tClient[i]);
-            TEST_ASSERT_NOT_NULL(clientTaskId);
-        }
+    int fdFail = -1;
+    int fdSuccess = -1;
 
-        g_selectFlag = 1;
-        while (g_selectFlag) {
-            osDelay(ONE_SECOND);
-            printf("wait select server finish...\n");
-        }
-        TEST_ASSERT_EQUAL_INT(0, g_selectResult);
-    }
+    fdFail = socket(0, 0, 0);
+    TEST_ASSERT_EQUAL_INT(LWIP_TEST_FAIL, fdFail);
+    fdSuccess = socket(AF_INET, SOCK_STREAM, 0);
+    TEST_ASSERT_NOT_EQUAL(LWIP_TEST_FAIL, fdSuccess); 
 }
 
 /**