diff --git a/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/multi-instance/ElementMultiInstance.vue b/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/multi-instance/ElementMultiInstance.vue
index 02ec3e106..9c5c16c9e 100644
--- a/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/multi-instance/ElementMultiInstance.vue
+++ b/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/multi-instance/ElementMultiInstance.vue
@@ -1,4 +1,4 @@
-<!-- eslint-disable unused-imports/no-unused-vars -->
+<!-- eslint-disable no-unused-vars -->
 <script lang="ts" setup>
 import { inject, nextTick, onBeforeUnmount, ref, toRaw, watch } from 'vue';
 
@@ -73,6 +73,7 @@ declare global {
 
 const bpmnInstances = () => (window as any)?.bpmnInstances;
 
+// eslint-disable-next-line unused-imports/no-unused-vars
 const getElementLoop = (businessObject: any): void => {
   if (!businessObject.loopCharacteristics) {
     loopCharacteristics.value = 'Null';
@@ -278,6 +279,8 @@ const approveRatio = ref<number>(100);
 const otherExtensions = ref<any[]>([]);
 const getElementLoopNew = (): void => {
   if (props.type === 'UserTask') {
+    const loopCharacteristics =
+      bpmnElement.value.businessObject?.loopCharacteristics;
     const extensionElements =
       bpmnElement.value.businessObject?.extensionElements ??
       bpmnInstances().moddle.create('bpmn:ExtensionElements', { values: [] });
@@ -294,10 +297,25 @@ const getElementLoopNew = (): void => {
       approveMethod.value = ApproveMethodType.SEQUENTIAL_APPROVE;
       updateLoopCharacteristics();
     }
+
+    // 如果是按比例会签，从现有 completionCondition 中解析比例，反推到 approveRatio
+    if (
+      approveMethod.value === ApproveMethodType.APPROVE_BY_RATIO &&
+      loopCharacteristics?.completionCondition?.body
+    ) {
+      const body = loopCharacteristics.completionCondition.body as string;
+      // 形如 "${ nrOfCompletedInstances/nrOfInstances >= 0.9 }"
+      const match = body.match(/>=\s*(\d+(?:\.\d+)?)/);
+      if (match) {
+        const ratio = Number(match[1]);
+        if (!Number.isNaN(ratio)) {
+          approveRatio.value = ratio * 100;
+        }
+      }
+    }
   }
 };
 const onApproveMethodChange = (): void => {
-  approveRatio.value = 100;
   updateLoopCharacteristics();
 };
 const onApproveRatioChange = (): void => {
@@ -393,31 +411,29 @@ watch(
 </script>
 
 <template>
-  <div class="panel-tab__content">
+  <div class="-mx-2 px-2">
     <RadioGroup
       v-if="type === 'UserTask'"
       v-model:value="approveMethod"
       @change="onApproveMethodChange"
     >
-      <div class="flex-col">
+      <div class="flex flex-col gap-3">
         <div v-for="(item, index) in APPROVE_METHODS" :key="index">
           <Radio :value="item.value">
             {{ item.label }}
           </Radio>
-          <FormItem prop="approveRatio">
-            <InputNumber
-              v-model:value="approveRatio"
-              :min="10"
-              :max="100"
-              :step="10"
-              size="small"
-              v-if="
-                item.value === ApproveMethodType.APPROVE_BY_RATIO &&
-                approveMethod === ApproveMethodType.APPROVE_BY_RATIO
-              "
-              @change="onApproveRatioChange"
-            />
-          </FormItem>
+          <InputNumber
+            v-if="
+              item.value === ApproveMethodType.APPROVE_BY_RATIO &&
+              approveMethod === ApproveMethodType.APPROVE_BY_RATIO
+            "
+            v-model:value="approveRatio"
+            :min="10"
+            :max="100"
+            :step="10"
+            size="small"
+            @change="onApproveRatioChange"
+          />
         </div>
       </div>
     </RadioGroup>