标准库的选择树显示优化，去除null的显示

deslrey

23 小时以前 1f138c929cbec68a018f9ebcd16af35bcc9bb179

 src/views/CNAS/resourceDemand/standardMaterial/component/formDia.vue

@@ -156,7 +156,6 @@
          this.loading = true
          addStandardSubstance(this.form).then(res => {
            this.loading = false
            if (res.code === 201) return
            this.$message.success('操作成功')
            this.closeYearDia()
          }).catch(err => {