1

controllers/app/wx_print.go

@@ -155,9 +155,10 @@ func (p *Print) GetPrintIsUse(c *gin.Context) {
 		result := make(map[string]interface{}, 0)
 		result["isBind"] = have
 		result["phone"] = phone
+		result["err"] = err
 		retVal = result
 		globals.SugarLogger.Debugf("=====%s", utils.Format4Output(result, false))
-		return retVal, "", err
+		return retVal, "", nil
 	})
 }
 

dao/print_dao.go

@@ -95,7 +95,7 @@ func GetPrintIsUse(printNo string) (bool, string, error) {
 		return false, "", err
 	}
 	if len(result) != 1 {
-		return false, "", errors.New("打印机不存在")
+		return false, "", nil
 	}
 	return len(result) == 1, result[0].PrintKey, nil
 }