diff --git a/src/assets/img/liquid/form.png b/src/assets/img/liquid/form.png
index 00027dc..5da3a2e 100644
Binary files a/src/assets/img/liquid/form.png and b/src/assets/img/liquid/form.png differ
diff --git a/src/components/LiquidHandle.vue b/src/components/LiquidHandle.vue
index da7ce32..0a970a8 100644
--- a/src/components/LiquidHandle.vue
+++ b/src/components/LiquidHandle.vue
@@ -62,7 +62,7 @@
           class="liquid_column"
           :style="{
             '--height': `${
-              ((disinfectantCapacity <= 0 ? 0 : disinfectantCapacity) / 2300) *
+              ((disinfectantCapacity <= 0 ? 0 : disinfectantCapacity) / 2800) *
               472
             }px`,
           }"
@@ -202,8 +202,8 @@ onUnmounted(() => {
 
 
 const formatter = value => {
-  if (parseInt(value) > 2300) {
-    return '2300'
+  if (parseInt(value) > 2800) {
+    return '2800'
   }
   if (parseInt(value) <= 0) {
     return '0'
@@ -216,7 +216,7 @@ const formatter = value => {
 
 const startAdd = () => {
   let value = parseInt(addLiquidVal.value);
-  if ( 0 === value || value > 2300 ) {
+  if ( 0 === value || value > 2800 ) {
     console.warn(`加液量不合法 : ${value}`);
     return;
   }