diff --git a/include/neuron/type.h b/include/neuron/type.h
index 261eefbf..6c25ab97 100644
--- a/include/neuron/type.h
+++ b/include/neuron/type.h
@@ -343,6 +343,11 @@ typedef struct {
     uint8_t     precision;
 } neu_dvalue_t;
 
+static inline bool neu_dvalue_is_array(const neu_dvalue_t *dvalue)
+{
+    return dvalue->type >= NEU_TYPE_ARRAY_CHAR;
+}
+
 static inline void neu_free_dvalue(neu_dvalue_t *dvalue)
 {
     if (dvalue->type > NEU_TYPE_ARRAY_CHAR &&
diff --git a/src/adapter/driver/cache.c b/src/adapter/driver/cache.c
index bcca0c35..df73afe0 100644
--- a/src/adapter/driver/cache.c
+++ b/src/adapter/driver/cache.c
@@ -849,7 +849,12 @@ bool neu_driver_cache_update_change(neu_driver_cache_t *cache,
             }
             elem->metas = calloc(n_meta, sizeof(neu_tag_meta_t));
             for (int i = 0; i < n_meta; i++) {
-                memcpy(&elem->metas[i], &metas[i], sizeof(neu_tag_meta_t));
+                if (!neu_dvalue_is_array(&metas[i].value)) {
+                    memcpy(&elem->metas[i], &metas[i], sizeof(neu_tag_meta_t));
+                } else {
+                    neu_free_dvalue(&metas[i].value);
+                    elem->metas[i].value.type = NEU_TYPE_INT8;
+                }
             }
 
             elem->n_meta = n_meta;