diff --git a/frontend/src/views/machine/device/components/monitorPopup.vue b/frontend/src/views/machine/device/components/monitorPopup.vue
index 23d06d0..c8f84bb 100644
--- a/frontend/src/views/machine/device/components/monitorPopup.vue
+++ b/frontend/src/views/machine/device/components/monitorPopup.vue
@@ -32,43 +32,27 @@
                         />
                     </el-select>
                 </el-form-item>
-                    <el-form-item label="PT变比" required>
+                <el-form-item label="PT变比" required>
                     <div class="ratio-input-group">
                         <el-form-item prop="ptPrimary" class="ratio-form-item">
-                            <el-input 
-                                v-model="ptPrimary" 
-                                placeholder="一次侧"
-                                @input="handlePtInput"
-                            />
+                            <el-input v-model="ptPrimary" placeholder="一次侧" @input="handlePtInput" />
                         </el-form-item>
                         <span class="colon">:</span>
                         <el-form-item prop="ptSecondary" class="ratio-form-item">
-                            <el-input 
-                                v-model="ptSecondary" 
-                                placeholder="二次侧"
-                                @input="handlePtInput"
-                            />
+                            <el-input v-model="ptSecondary" placeholder="二次侧" @input="handlePtInput" />
                         </el-form-item>
                     </div>
                 </el-form-item>
-                
+
                 <!-- 修改CT变比部分 -->
                 <el-form-item label="CT变比" required>
                     <div class="ratio-input-group">
                         <el-form-item prop="ctPrimary" class="ratio-form-item">
-                            <el-input 
-                                v-model="ctPrimary" 
-                                placeholder="一次侧"
-                                @input="handleCtInput"
-                            />
+                            <el-input v-model="ctPrimary" placeholder="一次侧" @input="handleCtInput" />
                         </el-form-item>
                         <span class="colon">:</span>
                         <el-form-item prop="ctSecondary" class="ratio-form-item">
-                            <el-input 
-                                v-model="ctSecondary" 
-                                placeholder="二次侧"
-                                @input="handleCtInput"
-                            />
+                            <el-input v-model="ctSecondary" placeholder="二次侧" @input="handleCtInput" />
                         </el-form-item>
                     </div>
                 </el-form-item>
@@ -103,6 +87,12 @@
                 </el-form-item>
             </el-form>
         </div>
+        <el-alert
+            show-icon
+            title="注意：PT和CT变比请输入正常值，不可以缩小相同的倍数！"
+            type="warning"
+            :closable="false"
+        ></el-alert>
         <template #footer>
             <div class="dialog-footer">
                 <el-button @click="close()">取消</el-button>
@@ -114,12 +104,12 @@
 
 <script lang="ts" setup>
 import { ElMessage, type FormItemRule } from 'element-plus'
-import { computed, ref, Ref, watch } from 'vue'
+import { computed, ref, type Ref } from 'vue'
 import { type Monitor } from '@/api/device/interface/monitor'
 import { dialogMiddle } from '@/utils/elementBind'
 import { useDictStore } from '@/stores/modules/dict'
 import { generateUUID } from '@/utils'
-import { Device } from '@/api/device/interface/device'
+import { type Device } from '@/api/device/interface/device'
 
 const dictStore = useDictStore()
 const lineNum = ref<{ id: number; name: string }[]>([])
@@ -211,25 +201,24 @@ const handleCtInput = () => {
     }
 }
 
-
 // 添加一个用于手动验证的引用
 const extraFormRules = ref({
-  ptPrimary: [
-    { required: true, message: 'PT变比一次侧必填！', trigger: 'blur' },
-    { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
-  ],
-  ptSecondary: [
-    { required: true, message: 'PT变比二次侧必填！', trigger: 'blur' },
-    { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
-  ],
-  ctPrimary: [
-    { required: true, message: 'CT变比一次侧必填！', trigger: 'blur' },
-    { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
-  ],
-  ctSecondary: [
-    { required: true, message: 'CT变比二次侧必填！', trigger: 'blur' },
-    { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
-  ]
+    ptPrimary: [
+        { required: true, message: 'PT变比一次侧必填！', trigger: 'blur' },
+        { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
+    ],
+    ptSecondary: [
+        { required: true, message: 'PT变比二次侧必填！', trigger: 'blur' },
+        { pattern: /^\d+(\.\d+)?$/, message: '请输入数字', trigger: 'blur' }
+    ],
+    ctPrimary: [
+        { required: true, message: 'CT变比一次侧必填！', trigger: 'blur' },
+        { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
+    ],
+    ctSecondary: [
+        { required: true, message: 'CT变比二次侧必填！', trigger: 'blur' },
+        { pattern: /^[1-9]\d*$/, message: '请输入正整数', trigger: 'blur' }
+    ]
 })
 
 // 保存数据
@@ -238,43 +227,91 @@ const save = () => {
         dialogFormRef.value?.validate(async (valid: boolean) => {
             if (valid) {
                 // 手动验证额外的字段
-                        let extraValid = true;
-                        const fieldsToValidate = ['ptPrimary', 'ptSecondary', 'ctPrimary', 'ctSecondary'];
-                        
-                        for (const field of fieldsToValidate) {
-                        const value = eval(field); // 获取对应字段的值
-                        const rules = extraFormRules.value[field];
-                        
-                        for (const rule of rules) {
-                            if (rule.required && !value.value) {
-                            ElMessage.error({ message: rule.message as string });
-                            extraValid = false;
-                            break;
-                            }
-                            
-                            if (rule.pattern && value.value && !rule.pattern.test(value.value)) {
-                            ElMessage.error({ message: rule.message as string });
-                            extraValid = false;
-                            break;
-                            }
-                        }
-                        
-                        if (!extraValid) break;
-                        }
-                        
-                        if (!extraValid) {
-                        return;
+                let extraValid = true
+                const fieldsToValidate = ['ptPrimary', 'ptSecondary', 'ctPrimary', 'ctSecondary']
+
+                for (const field of fieldsToValidate) {
+                    const value = eval(field) // 获取对应字段的值
+                    const rules = extraFormRules.value[field]
+
+                    for (const rule of rules) {
+                        if (rule.required && !value.value) {
+                            ElMessage.error({ message: rule.message as string })
+                            extraValid = false
+                            break
                         }
 
+                        if (rule.pattern && value.value && !rule.pattern.test(value.value)) {
+                            ElMessage.error({ message: rule.message as string })
+                            extraValid = false
+                            break
+                        }
+                    }
+
+                    if (!extraValid) break
+                }
+
+                if (!extraValid) {
+                    return
+                }
+
                 // 校验名称是否重复
-                const isNameDuplicate = monitorTable.value.some(
+                const isNameDuplicate = monitorTable.value?.some(
                     item => item.name === formContent.value.name && item.id !== formContent.value.id
                 )
                 if (isNameDuplicate) {
                     ElMessage.error({ message: '监测点名称已存在，请重新输入！' })
                     return
                 }
+                // 添加PT CT逻辑
+                // PT 逻辑
+                let ptPrimaryValue = ptPrimary.value
+                let ptSecondaryValue = ptSecondary.value
+                let ptErrorTips = false
+                let ctErrorTips = false
+                const ptFinalValue = ['100', '380']
+                const ptFinalChangeValue = ['57.74', '220']
+                const ctFinalValue = ['1', '5']
 
+                // 若值都为 1， 则改值为 380
+                if (ptPrimaryValue === '1' && ptSecondaryValue === '1') {
+                    formContent.value.pt = `${ptFinalValue[1]}:${ptFinalValue[1]}`
+                } else {
+                    // 若PT分母值不为 ['100', '380']
+                    if (!ptFinalValue.includes(ptSecondaryValue)) {
+                        // 若PT分母值不为 ['57.74', '220'],提示
+                        if (ptFinalChangeValue.includes(ptSecondaryValue)) {
+                            // 判断值为 57.74,则 57.74 => 100
+                            if (ptSecondaryValue === ptFinalChangeValue[0]) {
+                                ptSecondaryValue = ptFinalValue[0]
+                            }
+                            // 判断值为 220,则 220 => 380
+                            if (ptSecondaryValue === ptFinalChangeValue[1]) {
+                                ptSecondaryValue = ptFinalValue[1]
+                            }
+                        } else {
+                            ptErrorTips = true
+                        }
+                    }
+                }
+                // CT 逻辑, CT 分母是否为 ['1', '5']
+                if (!ctFinalValue.includes(ctSecondary.value)) {
+                    ctErrorTips = true
+                }
+                if (ptErrorTips && ctErrorTips) {
+                    ElMessage.error({ message: '请确认PT和CT无误！' })
+                    return
+                } else {
+                    if (ptErrorTips) {
+                        ElMessage.error({ message: '请确认PT无误！' })
+                        return
+                    }
+                    if (ctErrorTips) {
+                        ElMessage.error({ message: '请确认CT无误！' })
+                        return
+                    }
+                }
+                formContent.value.pt = `${ptPrimaryValue}:${ptSecondaryValue}`
                 if (titleType.value != 'edit') {
                     formContent.value.id = generateUUID().replaceAll('-', '')
                 }
@@ -324,7 +361,7 @@ const open = async (sign: string, data: Monitor.ResPqMon, device: Device.ResPqDe
             ptPrimary.value = primary
             ptSecondary.value = secondary
         }
-        
+
         // 解析CT变比
         if (data.ct) {
             const [primary, secondary] = data.ct.split(':')
@@ -364,18 +401,22 @@ defineExpose({ open })
 
 <style scoped>
 .ratio-input-group {
-  display: flex;
-  align-items: center;
-  gap: 10px;
+    display: flex;
+    align-items: center;
+    gap: 10px;
 }
 
 .ratio-form-item {
-  flex: 1;
-  margin-bottom: 0 !important;
+    flex: 1;
+    margin-bottom: 0 !important;
 }
 
 .colon {
-  font-size: 16px;
-  font-weight: bold;
+    font-size: 16px;
+    font-weight: bold;
+}
+.el-alert {
+    --el-alert-padding: 0px 12px !important;
+    --el-alert-title-font-size: 12px !important;
 }
 </style>