From 7a7ff99e60372601ce60dc24acfba81f843d6272 Mon Sep 17 00:00:00 2001
From: hxy7yx <1595670487@qq.com>
Date: Fri, 2 Aug 2024 17:14:52 +0800
Subject: [PATCH] fix(modbus):clear value when update

---
 plugins/modbus/modbus_req.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/modbus/modbus_req.c b/plugins/modbus/modbus_req.c
index 286b284d..22011036 100644
--- a/plugins/modbus/modbus_req.c
+++ b/plugins/modbus/modbus_req.c
@@ -383,6 +383,7 @@ int modbus_value_handle(void *ctx, uint8_t slave_id, uint16_t n_byte,
                 case MODBUS_AREA_INPUT_REGISTER: {
                     neu_value16_u v16 = { 0 };
                     v16.value = htons(*(uint16_t *) dvalue.value.bytes.bytes);
+                    memset(&dvalue.value, 0, sizeof(dvalue.value));
                     dvalue.value.u8 =
                         neu_value16_get_bit(v16, (*p_tag)->option.bit.bit);
                     break;