diff --git a/modules/consensus/dag-poa/dap_chain_cs_dag_poa.c b/modules/consensus/dag-poa/dap_chain_cs_dag_poa.c
index 2c82fa4cd2abf2d75552b47de9423b10692b457f..26e243381a8d8486928a598ca56b139d06a09a2d 100644
--- a/modules/consensus/dag-poa/dap_chain_cs_dag_poa.c
+++ b/modules/consensus/dag-poa/dap_chain_cs_dag_poa.c
@@ -58,7 +58,7 @@ typedef struct dap_chain_cs_dag_poa_presign_callback{
 } dap_chain_cs_dag_poa_presign_callback_t;
 
 typedef struct dap_chain_cs_dag_poa_event_item {
-    dap_chain_hash_fast_t hash, datum_hash;
+    dap_chain_hash_fast_t datum_hash;
     dap_chain_cs_dag_event_t *event;
     dap_chain_cs_dag_t *dag;
     UT_hash_handle hh;