diff --git a/src/components/LiquidHandle.vue b/src/components/LiquidHandle.vue
index 21c992a..fdb3813 100644
--- a/src/components/LiquidHandle.vue
+++ b/src/components/LiquidHandle.vue
@@ -62,7 +62,7 @@
           class="liquid_column"
           :style="{
             '--height': `${
-              ((disinfectantCapacity <= 0 ? 0 : disinfectantCapacity) / 5000) *
+              ((disinfectantCapacity <= 0 ? 0 : disinfectantCapacity) / 2500) *
               472
             }px`,
           }"
@@ -198,8 +198,8 @@ onUnmounted(() => {
 
 
 const formatter = value => {
-  if (parseInt(value) > 5000) {
-    return '5000'
+  if (parseInt(value) > 2500) {
+    return '2500'
   }
   if (parseInt(value) <= 0) {
     return '0'
@@ -211,6 +211,11 @@ const formatter = value => {
 }
 
 const startAdd = () => {
+  let value = parseInt(addLiquidVal.value);
+  if ( 0 === value || value > 2500 ) {
+    console.warn(`加液量不合法 : ${value}`);
+    return;
+  }
   if (!(operatorStore.replenishingFluidsWorkState == 1)) {
     webSocketStore.sendCommandMsg(
       startReplenishingFluidsJSON(parseInt(addLiquidVal.value)),