diff --git a/src/models/ChainTask.ts b/src/models/ChainTask.ts
index 95d6776..14182de 100644
--- a/src/models/ChainTask.ts
+++ b/src/models/ChainTask.ts
@@ -29,6 +29,9 @@ export class ChainTaskClass extends BaseModule {
   @prop()
   public source: string
 
+  @prop({ default: 0 })
+  public gas: number
+
   @prop()
   public cb: string
 
@@ -75,6 +78,9 @@ export class ChainTaskClass extends BaseModule {
       } else if (subData.status === ReqTaskStatus.ERROR) {
         errCount += 1
       }
+      if (subData.gasUsed) {
+        record += subData.gasUsed
+      }
       hashList.push(subData.txHash)
     }
     record.successCount = sCount
@@ -103,6 +109,7 @@ export class ChainTaskClass extends BaseModule {
             result: record.status,
             successCount: record.successCount,
             errorCount: record.errorCount,
+            gas: record.gas,
             hashList,
             cb: record.cb,
           })
diff --git a/src/models/RequestTask.ts b/src/models/RequestTask.ts
index 04c9552..9c72937 100644
--- a/src/models/RequestTask.ts
+++ b/src/models/RequestTask.ts
@@ -71,6 +71,9 @@ export class RequestTaskClass extends BaseModule {
 
   @prop()
   public txHash: string
+
+  @prop()
+  public gasUsed: number
   /**
    * 添加时的block num
    */
@@ -109,8 +112,9 @@ export class RequestTaskClass extends BaseModule {
         break
     }
     logger.info(result)
-    let { transactionHash } = result
+    let { transactionHash, gasUsed } = result
     self.txHash = transactionHash
+    self.gasUsed = gasUsed
     self.status = ReqTaskStatus.WAIT_CONFIRM
     await self.save()
   }