diff --git a/include/neuron/adapter.h b/include/neuron/adapter.h
index b0371e9b..2f27d74a 100644
--- a/include/neuron/adapter.h
+++ b/include/neuron/adapter.h
@@ -769,6 +769,7 @@ static inline void neu_req_inst_templates_fini(neu_req_inst_templates_t *req)
 typedef struct neu_req_read_group {
     char driver[NEU_NODE_NAME_LEN];
     char group[NEU_GROUP_NAME_LEN];
+    bool sync;
 } neu_req_read_group_t;
 
 typedef struct neu_req_write_tag {
diff --git a/include/neuron/errcodes.h b/include/neuron/errcodes.h
index b89c9f18..ac2c014b 100644
--- a/include/neuron/errcodes.h
+++ b/include/neuron/errcodes.h
@@ -124,6 +124,7 @@ typedef enum {
     NEU_ERR_PLUGIN_DEVICE_NOT_RESPONSE     = 3015,
     NEU_ERR_PLUGIN_NOT_SUPPORT_TEMPLATE    = 3016,
     NEU_ERR_PLUGIN_NOT_SUPPORT_WRITE_TAGS  = 3017,
+    NEU_ERR_PLUGIN_NOT_SUPPORT_READ_SYNC   = 3018,
 
     NEU_ERR_MQTT_FAILURE                        = 4000,
     NEU_ERR_MQTT_NO_CERTFILESET                 = 4001,
diff --git a/include/neuron/plugin.h b/include/neuron/plugin.h
index be784bcf..36dfee7f 100644
--- a/include/neuron/plugin.h
+++ b/include/neuron/plugin.h
@@ -85,6 +85,7 @@ typedef struct neu_plugin_intf_funs {
         struct {
             int (*validate_tag)(neu_plugin_t *plugin, neu_datatag_t *tag);
             int (*group_timer)(neu_plugin_t *plugin, neu_plugin_group_t *group);
+            int (*group_sync)(neu_plugin_t *plugin, neu_plugin_group_t *group);
             int (*write_tag)(neu_plugin_t *plugin, void *req,
                              neu_datatag_t *tag, neu_value_u value);
             int (*write_tags)(
diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index 8d83aaee..fa1eb1bd 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -405,6 +405,30 @@ void neu_adapter_driver_read_group(neu_adapter_driver_t *driver,
 
             utarray_push_back(resp.tags, &tag_value);
         }
+    } else if (cmd->sync) {
+        if (NULL == driver->adapter.module->intf_funs->driver.group_sync) {
+            // plugin does not support sync read
+            utarray_foreach(tags, neu_datatag_t *, tag)
+            {
+                neu_resp_tag_value_meta_t tag_value = { 0 };
+                strcpy(tag_value.tag, tag->name);
+                tag_value.value.type = NEU_TYPE_ERROR;
+                tag_value.value.value.i32 =
+                    NEU_ERR_PLUGIN_NOT_SUPPORT_READ_SYNC;
+
+                utarray_push_back(resp.tags, &tag_value);
+            }
+        } else {
+            // sync read to update cache
+            driver->adapter.module->intf_funs->driver.group_sync(
+                driver->adapter.plugin, &g->grp);
+            // fetch updated data from cache
+            read_group(global_timestamp,
+                       neu_group_get_interval(group) *
+                           NEU_DRIVER_TAG_CACHE_EXPIRE_TIME,
+                       neu_adapter_get_tag_cache_type(&driver->adapter),
+                       driver->cache, cmd->group, tags, resp.tags);
+        }
     } else {
         read_group(global_timestamp,
                    neu_group_get_interval(group) *