diff --git a/backend/easycard-module-org/src/main/java/com/easycard/module/org/service/TenantOrgService.java b/backend/easycard-module-org/src/main/java/com/easycard/module/org/service/TenantOrgService.java
index 9ff6358..4840f56 100644
--- a/backend/easycard-module-org/src/main/java/com/easycard/module/org/service/TenantOrgService.java
+++ b/backend/easycard-module-org/src/main/java/com/easycard/module/org/service/TenantOrgService.java
@@ -17,6 +17,7 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
 
 import java.math.BigDecimal;
 import java.util.List;
@@ -58,6 +59,7 @@ public class TenantOrgService {
             profile.setCreatedBy(loginUser.userId());
             profile.setDeleted(0);
         }
+        CoordinateValue coordinates = parseCoordinates(request.hqAddress(), request.hqLatitude(), request.hqLongitude());
         profile.setFirmName(request.firmName());
         profile.setFirmShortName(request.firmShortName());
         profile.setEnglishName(request.englishName());
@@ -68,8 +70,8 @@ public class TenantOrgService {
         profile.setWebsiteUrl(request.websiteUrl());
         profile.setWechatOfficialAccount(request.wechatOfficialAccount());
         profile.setHqAddress(request.hqAddress());
-        profile.setHqLatitude(toBigDecimal(request.hqLatitude()));
-        profile.setHqLongitude(toBigDecimal(request.hqLongitude()));
+        profile.setHqLatitude(coordinates.latitude());
+        profile.setHqLongitude(coordinates.longitude());
         profile.setUpdatedBy(loginUser.userId());
         if (profile.getId() == null) {
             orgFirmProfileMapper.insert(profile);
@@ -217,11 +219,51 @@ public class TenantOrgService {
         );
     }
 
-    private BigDecimal toBigDecimal(String value) {
-        if (value == null || value.isBlank()) {
-            return null;
+    private CoordinateValue parseCoordinates(String address, String latitude, String longitude) {
+        String latitudeText = normalizeCoordinate(latitude);
+        String longitudeText = normalizeCoordinate(longitude);
+        boolean hasLatitude = StringUtils.hasText(latitudeText);
+        boolean hasLongitude = StringUtils.hasText(longitudeText);
+
+        if (!hasLatitude && !hasLongitude) {
+            return new CoordinateValue(null, null);
         }
-        return new BigDecimal(value);
+        if (!hasLatitude || !hasLongitude) {
+            throw new BusinessException("FIRM_COORDINATE_INVALID", "纬度和经度需同时填写");
+        }
+        if (!StringUtils.hasText(address)) {
+            throw new BusinessException("FIRM_ADDRESS_REQUIRED", "填写地图坐标时请同时填写详细地址");
+        }
+
+        BigDecimal latitudeValue = parseCoordinateValue(latitudeText, "纬度");
+        BigDecimal longitudeValue = parseCoordinateValue(longitudeText, "经度");
+
+        if (!isInRange(latitudeValue, -90, 90)) {
+            if (isInRange(latitudeValue, -180, 180) && isInRange(longitudeValue, -90, 90)) {
+                throw new BusinessException("FIRM_COORDINATE_INVALID", "纬度超出范围，请检查是否与经度填反");
+            }
+            throw new BusinessException("FIRM_COORDINATE_INVALID", "纬度范围应在 -90 到 90 之间");
+        }
+        if (!isInRange(longitudeValue, -180, 180)) {
+            throw new BusinessException("FIRM_COORDINATE_INVALID", "经度范围应在 -180 到 180 之间");
+        }
+        return new CoordinateValue(latitudeValue, longitudeValue);
+    }
+
+    private String normalizeCoordinate(String value) {
+        return value == null ? "" : value.trim();
+    }
+
+    private BigDecimal parseCoordinateValue(String value, String fieldLabel) {
+        try {
+            return new BigDecimal(value);
+        } catch (NumberFormatException exception) {
+            throw new BusinessException("FIRM_COORDINATE_INVALID", fieldLabel + "必须是数字");
+        }
+    }
+
+    private boolean isInRange(BigDecimal value, int min, int max) {
+        return value.compareTo(BigDecimal.valueOf(min)) >= 0 && value.compareTo(BigDecimal.valueOf(max)) <= 0;
     }
 
     private String resolveAssetUrl(Long assetId) {
@@ -270,6 +312,9 @@ public class TenantOrgService {
     ) {
     }
 
+    private record CoordinateValue(BigDecimal latitude, BigDecimal longitude) {
+    }
+
     public record PracticeAreaView(Long id, String areaCode, String areaName, Integer displayOrder, String areaStatus) {
     }
 
diff --git a/frontend_admin/src/views/tenant/FirmProfileView.vue b/frontend_admin/src/views/tenant/FirmProfileView.vue
index 22f4884..ed87a26 100644
--- a/frontend_admin/src/views/tenant/FirmProfileView.vue
+++ b/frontend_admin/src/views/tenant/FirmProfileView.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { computed, onMounted, reactive, ref } from 'vue'
+import type { FormInstance, FormRules } from 'element-plus'
 import { ElMessage } from 'element-plus'
 import type { UploadRequestOptions } from 'element-plus'
 import { Plus } from '@element-plus/icons-vue'
@@ -19,6 +20,7 @@ function generateDeptCode() {
 
 const loading = ref(false)
 const saving = ref(false)
+const formRef = ref<FormInstance>()
 const imageUploading = reactive({
   logo: false,
   hero: false,
@@ -72,6 +74,95 @@ const deptOptions = computed(() => departments.value.map(item => ({
   value: item.id,
 })))
 
+function normalizeText(value: string | null | undefined) {
+  return typeof value === 'string' ? value.trim() : ''
+}
+
+function parseCoordinate(value: string | null | undefined) {
+  const normalized = normalizeText(value)
+  if (!normalized) {
+    return null
+  }
+  const parsed = Number(normalized)
+  return Number.isFinite(parsed) ? parsed : null
+}
+
+function hasCoordinateInput() {
+  return Boolean(normalizeText(profile.hqLatitude) || normalizeText(profile.hqLongitude))
+}
+
+function getCoordinateValidationMessage() {
+  const latitudeText = normalizeText(profile.hqLatitude)
+  const longitudeText = normalizeText(profile.hqLongitude)
+  const hasLatitude = Boolean(latitudeText)
+  const hasLongitude = Boolean(longitudeText)
+
+  if (!hasLatitude && !hasLongitude) {
+    return ''
+  }
+
+  if (!hasLatitude || !hasLongitude) {
+    return '纬度和经度需同时填写'
+  }
+
+  const latitude = parseCoordinate(profile.hqLatitude)
+  if (latitude === null) {
+    return '纬度必须是数字'
+  }
+
+  const longitude = parseCoordinate(profile.hqLongitude)
+  if (longitude === null) {
+    return '经度必须是数字'
+  }
+
+  if (latitude < -90 || latitude > 90) {
+    if (latitude >= -180 && latitude <= 180 && longitude >= -90 && longitude <= 90) {
+      return '纬度超出范围，请检查是否与经度填反'
+    }
+    return '纬度范围应在 -90 到 90 之间'
+  }
+
+  if (longitude < -180 || longitude > 180) {
+    return '经度范围应在 -180 到 180 之间'
+  }
+
+  if (!normalizeText(profile.hqAddress)) {
+    return '填写地图坐标时请同时填写详细地址'
+  }
+
+  return ''
+}
+
+const profileRules: FormRules = {
+  firmName: [{ required: true, message: '请输入机构名称', trigger: 'blur' }],
+  hqAddress: [{
+    trigger: ['blur', 'change'],
+    validator: async () => {
+      if (hasCoordinateInput() && !normalizeText(profile.hqAddress)) {
+        throw new Error('填写地图坐标时请同时填写详细地址')
+      }
+    },
+  }],
+  hqLatitude: [{
+    trigger: ['blur', 'change'],
+    validator: async () => {
+      const message = getCoordinateValidationMessage()
+      if (message) {
+        throw new Error(message)
+      }
+    },
+  }],
+  hqLongitude: [{
+    trigger: ['blur', 'change'],
+    validator: async () => {
+      const message = getCoordinateValidationMessage()
+      if (message) {
+        throw new Error(message)
+      }
+    },
+  }],
+}
+
 async function loadData() {
   loading.value = true
   try {
@@ -135,6 +226,11 @@ function handleHeroUpload(options: UploadRequestOptions) {
 }
 
 async function saveProfile() {
+  const valid = await formRef.value?.validate().then(() => true).catch(() => false)
+  if (!valid) {
+    return
+  }
+
   saving.value = true
   try {
     const saved = await tenantApi.saveFirmProfile(profile)
@@ -267,9 +363,15 @@ onMounted(() => {
           </div>
         </div>
 
-        <el-form label-position="top" class="card-form material-form">
+        <el-form
+          ref="formRef"
+          :model="profile"
+          :rules="profileRules"
+          label-position="top"
+          class="card-form material-form"
+        >
           <div class="form-grid">
-            <el-form-item label="名称">
+            <el-form-item label="名称" prop="firmName">
               <el-input v-model="profile.firmName" class="material-input" placeholder="完整的机构注册名称" />
             </el-form-item>
             <el-form-item label="简称">
@@ -284,13 +386,13 @@ onMounted(() => {
               <el-form-item label="官网地址">
                 <el-input v-model="profile.websiteUrl" class="material-input" />
               </el-form-item>
-              <el-form-item label="详细地址" class="form-grid__full">
+              <el-form-item label="详细地址" prop="hqAddress" class="form-grid__full">
                 <el-input v-model="profile.hqAddress" class="material-input" placeholder="完整的真实办公地址" />
               </el-form-item>
-            <el-form-item label="纬度 (LAT)">
+            <el-form-item label="纬度 (LAT)" prop="hqLatitude">
               <el-input v-model="profile.hqLatitude" class="material-input" placeholder="例如：31.230416" />
             </el-form-item>
-            <el-form-item label="经度 (LNG)">
+            <el-form-item label="经度 (LNG)" prop="hqLongitude">
               <el-input v-model="profile.hqLongitude" class="material-input" placeholder="例如：121.473701" />
             </el-form-item>
             <el-form-item label="机构简介" class="form-grid__full">
diff --git a/frontend_miniprogram/miniprogram/api/open.ts b/frontend_miniprogram/miniprogram/api/open.ts
index 52591bf..297c256 100644
--- a/frontend_miniprogram/miniprogram/api/open.ts
+++ b/frontend_miniprogram/miniprogram/api/open.ts
@@ -8,8 +8,8 @@ interface OpenFirmResponse {
   intro: string;
   hotlinePhone: string;
   hqAddress: string;
-  hqLatitude: number;
-  hqLongitude: number;
+  hqLatitude: number | string | null;
+  hqLongitude: number | string | null;
   officeCount: number;
   lawyerCount: number;
   officeList: string[];
@@ -42,11 +42,62 @@ interface OpenCardDetailResponse {
   specialties: string[];
   firmName: string;
   firmAddress: string;
-  firmLatitude: number;
-  firmLongitude: number;
+  firmLatitude: number | string | null;
+  firmLongitude: number | string | null;
+}
+
+function parseCoordinate(value: number | string | null | undefined): number | null {
+  if (typeof value === 'number') {
+    return Number.isFinite(value) ? value : null;
+  }
+  if (typeof value !== 'string') {
+    return null;
+  }
+  const normalized = value.trim();
+  if (!normalized) {
+    return null;
+  }
+  const parsed = Number(normalized);
+  return Number.isFinite(parsed) ? parsed : null;
+}
+
+function isLatitude(value: number | null): value is number {
+  return value !== null && value >= -90 && value <= 90;
+}
+
+function isLongitude(value: number | null): value is number {
+  return value !== null && value >= -180 && value <= 180;
+}
+
+function normalizeCoordinates(latitude: number | string | null | undefined, longitude: number | string | null | undefined): {
+  latitude: number;
+  longitude: number;
+} {
+  const parsedLatitude = parseCoordinate(latitude);
+  const parsedLongitude = parseCoordinate(longitude);
+
+  if (isLatitude(parsedLatitude) && isLongitude(parsedLongitude)) {
+    return {
+      latitude: parsedLatitude,
+      longitude: parsedLongitude,
+    };
+  }
+
+  if (isLatitude(parsedLongitude) && isLongitude(parsedLatitude)) {
+    return {
+      latitude: parsedLongitude,
+      longitude: parsedLatitude,
+    };
+  }
+
+  return {
+    latitude: 0,
+    longitude: 0,
+  };
 }
 
 function toFirmInfo(payload: OpenFirmResponse): FirmInfo {
+  const coordinates = normalizeCoordinates(payload.hqLatitude, payload.hqLongitude);
   return {
     id: payload.name || 'firm',
     name: payload.name || '',
@@ -54,8 +105,8 @@ function toFirmInfo(payload: OpenFirmResponse): FirmInfo {
     intro: payload.intro || '',
     hotlinePhone: payload.hotlinePhone || '',
     hqAddress: payload.hqAddress || '',
-    hqLatitude: payload.hqLatitude || 0,
-    hqLongitude: payload.hqLongitude || 0,
+    hqLatitude: coordinates.latitude,
+    hqLongitude: coordinates.longitude,
     officeCount: payload.officeCount || 0,
     lawyerCount: payload.lawyerCount || 0,
     heroImage: payload.heroImage || '',
@@ -114,6 +165,7 @@ export async function getLawyerDetail(cardId: string, sourceType = 'DIRECT', sha
   const payload = await request<OpenCardDetailResponse>({
     url: `/api/open/cards/${encodeURIComponent(cardId)}?${queryParts.join('&')}`,
   });
+  const coordinates = normalizeCoordinates(payload.firmLatitude, payload.firmLongitude);
 
   return {
     firm: {
@@ -123,8 +175,8 @@ export async function getLawyerDetail(cardId: string, sourceType = 'DIRECT', sha
       intro: '',
       hotlinePhone: '',
       hqAddress: payload.firmAddress || '',
-      hqLatitude: payload.firmLatitude || 0,
-      hqLongitude: payload.firmLongitude || 0,
+      hqLatitude: coordinates.latitude,
+      hqLongitude: coordinates.longitude,
       officeCount: 0,
       lawyerCount: 0,
       heroImage: '',