fix bug

services/knowoapi/services/rule_chain.go

@@ -118,13 +118,17 @@ func (a ruleChainService) create(params *models.RuleChainParams) (firstNodeId st
 			//		}
 			//	}
 			//}
-
-			str, _ := gjson.DecodeToJson(v.Data)
+			fmt.Println(v.Data)
+			str, err := gjson.DecodeToJson(v.Data)
+			if err != nil {
+				server.Log.Error(err)
+				return "", err
+			}
 			ruleNode.Configuration = fmt.Sprintf("%s", str.MustToJsonString())
 
 			nodeMap[v.Id] = ruleNode
 
-			err := a.model.RuleNode.Create(&ruleNode)
+			err = a.model.RuleNode.Create(&ruleNode)
 			if err != nil {
 				return firstNodeId, err
 			}