diff --git a/src/utils/tpph.js b/src/utils/tpph.js
index 15a138d..4051866 100644
--- a/src/utils/tpph.js
+++ b/src/utils/tpph.js
@@ -5,7 +5,7 @@ import axios from 'axios'
 import { Message } from 'element-ui'
 
 export async function getBalance(obj) {
-  alert('入参：' + JSON.stringify(obj))
+  // alert('入参：' + JSON.stringify(obj))
   debugger
   return {
     success: true,
@@ -231,7 +231,7 @@ export function convertUnit(num, originalUnit, targetUnit) {
     kg: 1000000000000000
   }
   const originalCoeff = unitToGram[originalUnit] || 1
-  const targetCoeff = unitToGram[targetUnit] || 1
+  const targetCoeff = unitToGram[targetUnit] || originalCoeff
   return (num * originalCoeff) / targetCoeff
 }
 
diff --git a/src/views/business/comps/select/SelectBalanceValue.vue b/src/views/business/comps/select/SelectBalanceValue.vue
index 147f371..446e8df 100644
--- a/src/views/business/comps/select/SelectBalanceValue.vue
+++ b/src/views/business/comps/select/SelectBalanceValue.vue
@@ -21,6 +21,7 @@
 
 <script>
 import SelectInstrumentDialog from '@/views/business/comps/select/SelectInstrumentDialog';
+import { getBalance } from "@/utils/tpph";
 export default {
   name: "SelectBalanceValue",
   components: {SelectInstrumentDialog},
@@ -45,7 +46,9 @@ export default {
   data() {
     return {
       tpName: '',
-      tpz: ''
+      tpz: '',
+
+      yq:{}
     };
   },
   mounted() {
@@ -55,10 +58,22 @@ export default {
       this.$refs.selectInstrumentDialog.show()
     },
     selectInstrumentChange(val,row){
-        this.tpName=row.mc
+      this.tpName=row.mc
+      this.yq = row
     },
-    getBalanceValue() {
-      alert('todo')
+    async getBalanceValue() {
+      if(!this.yq || !this.yq.bh){
+        this.$message.error('请选择仪器')
+        return
+      }
+      this.tpz = ''
+      let x = await getBalance({yq:this.yq,dw:this.dw})
+      if(x && x.success){
+        this.tpz = x.value
+      }else{
+        this.$message.error(x.message || '获取值失败')
+      }
+      this.tpzChange()
     },
     tpzChange() {
       this.$emit('change', this.tpz)