From ea7bf34001008274f943adddcbb9b0aa794dfb4c Mon Sep 17 00:00:00 2001
From: memorylkf <312904636@qq.com>
Date: Thu, 16 Apr 2026 21:31:37 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20[=E8=AE=A1=E7=AE=97=E5=B7=A5=E5=85=B7]?=
 =?UTF-8?q?=20=E4=BD=93=E7=A7=AF=E7=9B=B8=E5=8A=A0=EF=BC=8C=E5=8D=95?=
 =?UTF-8?q?=E4=BD=8D=E4=B8=8D=E5=AF=B9=E8=BF=94=E5=9B=9E0?=
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---
 src/utils/calUnitTools.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/utils/calUnitTools.js b/src/utils/calUnitTools.js
index 4ad979f..76e348d 100644
--- a/src/utils/calUnitTools.js
+++ b/src/utils/calUnitTools.js
@@ -9,6 +9,13 @@ export function addTj(valueArr, unitArr) {
     mixIndex = thisIndex < mixIndex ? thisIndex : mixIndex
   }
 
+  if (mixIndex === -1) {
+    return {
+      total: 0,
+      unit: 'mL'
+    }
+  }
+
   let total = 0
   for (let i = 0; i < unitArr.length; i++) {
     let thisIndex = unit.indexOf(unitArr[i])