diff --git a/admin/src/app/views/campus/campus.vue b/admin/src/app/views/campus/campus.vue
index 45934fe1..9ac858ee 100644
--- a/admin/src/app/views/campus/campus.vue
+++ b/admin/src/app/views/campus/campus.vue
@@ -139,7 +139,7 @@
       <el-dialog 
         v-model="sealDialog.visible" 
         title="上传签章" 
-        width="500px"
+        width="600px"
         :close-on-click-modal="false"
       >
         <el-form :model="sealDialog.form" label-width="80px">
@@ -232,7 +232,7 @@ const sealDialog = reactive({
 })
 
 // 上传配置
-const uploadAction = `${import.meta.env.VITE_APP_BASE_URL}/adminapi/upload/file`
+const uploadAction = `${import.meta.env.VITE_APP_BASE_URL}sys/image`
 const uploadHeaders = {
   token: getToken()
 }
@@ -398,4 +398,48 @@ const saveSeal = async () => {
   -webkit-line-clamp: 2;
   -webkit-box-orient: vertical;
 }
+
+/* 修复上传组件在弹窗中的样式 */
+.upload-demo {
+  width: 100%;
+  
+  :deep(.el-upload-list--picture-card) {
+    --el-upload-list-picture-card-size: 100px;
+    display: flex;
+    flex-wrap: wrap;
+    margin: 0 0 10px 0;
+  }
+  
+  :deep(.el-upload--picture-card) {
+    --el-upload-picture-card-size: 100px;
+    width: var(--el-upload-picture-card-size);
+    height: var(--el-upload-picture-card-size);
+    line-height: calc(var(--el-upload-picture-card-size) - 2px);
+    margin-bottom: 10px;
+  }
+  
+  :deep(.el-upload-list__item) {
+    width: var(--el-upload-list-picture-card-size);
+    height: var(--el-upload-list-picture-card-size);
+    margin: 0 8px 10px 0;
+  }
+  
+  /* 确保上传区域不超出弹窗 */
+  :deep(.el-upload-dragger) {
+    width: 100%;
+    height: 100px;
+  }
+  
+  /* 修复提示文字被盖住的问题 */
+  :deep(.el-upload__tip) {
+    margin-top: 25%;
+    line-height: 1.4;
+    color: var(--el-text-color-regular);
+    font-size: 12px;
+    position: relative;
+    z-index: 1;
+    clear: both;
+    display: block;
+  }
+}
 </style>
diff --git a/niucloud/app/api/controller/apiController/Contract.php b/niucloud/app/api/controller/apiController/Contract.php
index c4a55787..087189b4 100644
--- a/niucloud/app/api/controller/apiController/Contract.php
+++ b/niucloud/app/api/controller/apiController/Contract.php
@@ -254,6 +254,44 @@ class Contract extends BaseApiService
         }
     }
 
+    /**
+     * 根据签署记录ID获取学生合同签署表单配置（新方法）
+     * 支持按签署关系区分不同订单的签署字段
+     * @param Request $request
+     * @return mixed
+     */
+    public function getStudentContractSignFormBySignId(Request $request)
+    {
+        $contract_sign_id = $request->param('contract_sign_id', 0);
+        $student_id = $request->param('student_id', 0);
+        
+        if (empty($contract_sign_id)) {
+            return fail('合同签署记录ID不能为空');
+        }
+        
+        if (empty($student_id)) {
+            return fail('学生ID不能为空');
+        }
+        
+        $params = [
+            'contract_sign_id' => $contract_sign_id,
+            'student_id' => $student_id
+        ];
+        
+        try {
+            $service = new ContractSignFormService();
+            $res = $service->getStudentContractSignFormBySignId($params);
+            
+            if (!$res['code']) {
+                return fail($res['msg']);
+            }
+            
+            return success($res['data']);
+        } catch (\Exception $e) {
+            return fail('获取签署表单失败：' . $e->getMessage());
+        }
+    }
+
     /**
      * 提交学生合同签署
      * @param Request $request
diff --git a/niucloud/app/api/route/route.php b/niucloud/app/api/route/route.php
index 71efffc0..3233a243 100644
--- a/niucloud/app/api/route/route.php
+++ b/niucloud/app/api/route/route.php
@@ -464,6 +464,8 @@ Route::group(function () {
     // 学生合同签署相关接口
     Route::get('contract/getStudentContractSignForm', 'apiController.Contract/getStudentContractSignForm');
     Route::post('contract/submitStudentContractSign', 'apiController.Contract/submitStudentContractSign');
+    // 新增：根据签署记录ID获取签署表单（支持按签署关系区分字段）
+    Route::get('contract/getStudentContractSignFormBySignId', 'apiController.Contract/getStudentContractSignFormBySignId');
     // 前端期望的路由路径（映射到相同的控制器方法）
     Route::get('student/contract/sign-form', 'apiController.Contract/getStudentContractSignForm');
     
diff --git a/niucloud/app/service/api/apiService/ContractSignFormService.php b/niucloud/app/service/api/apiService/ContractSignFormService.php
index f6d2974e..640a6429 100644
--- a/niucloud/app/service/api/apiService/ContractSignFormService.php
+++ b/niucloud/app/service/api/apiService/ContractSignFormService.php
@@ -28,6 +28,103 @@ class ContractSignFormService extends BaseApiService
         parent::__construct();
     }
 
+    /**
+     * 根据合同签署记录ID获取签署表单配置
+     * 优先使用contract_sign_id获取该签署关系专属的字段配置
+     * 
+     * @param array $params 请求参数
+     *   - contract_sign_id: 合同签署记录ID (优先)
+     *   - contract_id: 合同模板ID (兼容旧版本)
+     *   - student_id: 学员ID (必填)
+     * @return array 返回格式化的表单配置数据
+     */
+    public function getStudentContractSignFormBySignId(array $params)
+    {
+        try {
+            // 验证必要参数
+            if (empty($params['contract_sign_id']) || empty($params['student_id'])) {
+                throw new \Exception('缺少必要参数：contract_sign_id 和 student_id');
+            }
+
+            $contract_sign_id = (int)$params['contract_sign_id'];
+            $student_id = (int)$params['student_id'];
+
+            Log::info('根据签署记录ID获取合同签署表单', [
+                'contract_sign_id' => $contract_sign_id,
+                'student_id' => $student_id
+            ]);
+
+            // 1. 从签署记录获取合同ID
+            $sign_record = Db::table('school_contract_sign')
+                ->where('id', $contract_sign_id)
+                ->where('student_id', $student_id)
+                ->find();
+
+            if (!$sign_record) {
+                throw new \Exception('合同签署记录不存在');
+            }
+
+            $contract_id = $sign_record['contract_id'];
+
+            // 2. 获取合同模板基本信息
+            $contract = $this->getContractInfo($contract_id);
+            if (!$contract) {
+                throw new \Exception('合同模板不存在或已删除');
+            }
+
+            // 3. 获取学员基本信息
+            $student = $this->getStudentInfo($student_id);
+            if (!$student) {
+                throw new \Exception('学员信息不存在');
+            }
+
+            // 4. 从document_data_source_config表获取该签署关系专属的字段配置
+            $form_fields = $this->getSignSpecificFormFields($contract_sign_id, $student);
+
+            // 5. 组装返回数据
+            $result = [
+                'contract_id' => $contract_id,
+                'contract_sign_id' => $contract_sign_id,
+                'contract_name' => $contract['contract_name'],
+                'contract_type' => $contract['contract_type'],
+                'contract_content' => $contract['contract_content'] ?? '',
+                'form_fields' => $form_fields,
+                'student_info' => [
+                    'id' => $student['id'],
+                    'name' => $student['name'],
+                    'phone' => $student['contact_phone'] ?? '',
+                    'user_id' => $student['user_id']
+                ]
+            ];
+
+            Log::info('根据签署记录ID获取表单成功', [
+                'contract_sign_id' => $contract_sign_id,
+                'student_id' => $student_id,
+                'form_fields_count' => count($form_fields)
+            ]);
+
+            return [
+                'code' => 1,
+                'msg' => '获取成功',
+                'data' => $result
+            ];
+
+        } catch (\Exception $e) {
+            Log::error('根据签署记录ID获取表单失败', [
+                'contract_sign_id' => $params['contract_sign_id'] ?? 0,
+                'student_id' => $params['student_id'] ?? 0,
+                'error' => $e->getMessage(),
+                'trace' => $e->getTraceAsString()
+            ]);
+
+            return [
+                'code' => 0,
+                'msg' => $e->getMessage(),
+                'data' => []
+            ];
+        }
+    }
+
     /**
      * 获取学员合同签署表单配置
      * 该方法为移动端提供合同签署表单的完整配置信息
@@ -598,4 +695,204 @@ class ContractSignFormService extends BaseApiService
             return false;
         }
     }
+
+    /**
+     * 获取签署关系专属的表单字段
+     * @param int $contract_sign_id 合同签署记录ID
+     * @param array $student 学员信息
+     * @return array
+     */
+    private function getSignSpecificFormFields($contract_sign_id, $student)
+    {
+        try {
+            // 从document_data_source_config表获取该签署关系专属的字段配置
+            $configs = Db::table('school_document_data_source_config')
+                ->where('contract_sign_id', $contract_sign_id)
+                ->select()
+                ->toArray();
+
+            if (empty($configs)) {
+                Log::warning('该签署记录无字段配置', ['contract_sign_id' => $contract_sign_id]);
+                return [];
+            }
+
+            $form_fields = [];
+
+            foreach ($configs as $config) {
+                // 基础字段信息
+                $field = [
+                    'name' => $config['placeholder'] ?? '',
+                    'placeholder' => $config['placeholder'] ?? '',
+                    'data_type' => $config['data_type'] ?? 'user_input',
+                    'field_type' => $config['field_type'] ?? 'text',
+                    'is_required' => (int)($config['is_required'] ?? 0),
+                    'default_value' => '',
+                    'validation_rule' => $config['validation_rule'] ?? '',
+                    'sign_party' => $config['sign_party'] ?? '',
+                ];
+
+                // 根据数据类型处理默认值
+                switch ($config['data_type'] ?? 'user_input') {
+                    case 'database':
+                        // 数据库类型：从相关表获取数据
+                        $field['default_value'] = $this->getDatabaseFieldValueFromConfig($config, $student);
+                        break;
+
+                    case 'system':
+                        // 系统函数类型：调用系统函数获取值
+                        $field['default_value'] = $this->getSystemFunctionValueFromConfig($config);
+                        break;
+
+                    case 'user_input':
+                        // 用户输入类型：使用配置的默认值
+                        $field['default_value'] = $config['default_value'] ?? '';
+                        break;
+
+                    case 'signature':
+                        // 电子签名类型：无默认值，需要用户手写签名
+                        $field['signature_type'] = 'handwrite';
+                        $field['default_value'] = '';
+                        break;
+
+                    case 'sign_img':
+                        // 签名图片类型：无默认值，需要用户上传或选择
+                        $field['sign_image_source'] = 'upload';
+                        $field['default_value'] = '';
+                        break;
+
+                    default:
+                        $field['default_value'] = $config['default_value'] ?? '';
+                        break;
+                }
+
+                $form_fields[] = $field;
+            }
+
+            Log::info('获取签署关系专属字段完成', [
+                'contract_sign_id' => $contract_sign_id,
+                'fields_count' => count($form_fields)
+            ]);
+
+            return $form_fields;
+
+        } catch (\Exception $e) {
+            Log::error('获取签署关系专属字段失败', [
+                'contract_sign_id' => $contract_sign_id,
+                'error' => $e->getMessage(),
+                'trace' => $e->getTraceAsString()
+            ]);
+            return [];
+        }
+    }
+
+    /**
+     * 从配置中获取数据库字段值
+     * @param array $config 字段配置
+     * @param array $student 学员信息
+     * @return string
+     */
+    private function getDatabaseFieldValueFromConfig($config, $student)
+    {
+        try {
+            $table_name = $config['table_name'] ?? '';
+            $field_name = $config['field_name'] ?? '';
+
+            if (empty($table_name) || empty($field_name)) {
+                return '';
+            }
+
+            $value = '';
+
+            switch ($table_name) {
+                case 'school_student':
+                    // 学员表：直接从学员信息获取
+                    $value = $student[$field_name] ?? '';
+                    break;
+
+                case 'school_customer_resources':
+                    // 用户表：通过学员的user_id关联查询
+                    if (!empty($student['user_id'])) {
+                        $value = Db::table('school_customer_resources')
+                            ->where('id', $student['user_id'])
+                            ->value($field_name) ?? '';
+                    }
+                    break;
+
+                case 'school_order_table':
+                    // 订单表：查询该学员最新的订单信息
+                    $value = Db::table('school_order_table')
+                        ->where('student_id', $student['id'])
+                        ->order('created_at', 'desc')
+                        ->value($field_name) ?? '';
+                    break;
+
+                case 'school_personnel':
+                    // 员工表：这里可能需要根据业务逻辑确定关联的员工
+                    // 暂时返回空值，具体业务逻辑需要根据实际需求调整
+                    $value = '';
+                    break;
+
+                default:
+                    Log::warning('不支持的数据库表', [
+                        'table_name' => $table_name,
+                        'field_name' => $field_name
+                    ]);
+                    break;
+            }
+
+            // 对特殊字段进行格式化处理
+            $value = $this->formatFieldValue($field_name, $value);
+
+            return (string)$value;
+
+        } catch (\Exception $e) {
+            Log::error('从配置获取数据库字段值失败', [
+                'config' => $config,
+                'student_id' => $student['id'],
+                'error' => $e->getMessage()
+            ]);
+            return '';
+        }
+    }
+
+    /**
+     * 从配置中获取系统函数值
+     * @param array $config 字段配置
+     * @return string
+     */
+    private function getSystemFunctionValueFromConfig($config)
+    {
+        try {
+            $system_function = $config['system_function'] ?? '';
+
+            if (empty($system_function)) {
+                return '';
+            }
+
+            // 检查函数是否存在
+            if (!function_exists($system_function)) {
+                Log::warning('系统函数不存在', [
+                    'function_name' => $system_function
+                ]);
+                return '';
+            }
+
+            // 调用系统函数
+            $value = call_user_func($system_function);
+
+            Log::info('系统函数调用成功', [
+                'function_name' => $system_function,
+                'result' => $value
+            ]);
+
+            return (string)$value;
+
+        } catch (\Exception $e) {
+            Log::error('从配置获取系统函数值失败', [
+                'config' => $config,
+                'error' => $e->getMessage()
+            ]);
+            return '';
+        }
+    }
 }
\ No newline at end of file
diff --git a/niucloud/app/service/api/apiService/OrderTableService.php b/niucloud/app/service/api/apiService/OrderTableService.php
index 5bf3fd3b..6cab81d1 100644
--- a/niucloud/app/service/api/apiService/OrderTableService.php
+++ b/niucloud/app/service/api/apiService/OrderTableService.php
@@ -411,7 +411,7 @@ class OrderTableService extends BaseApiService
                     'contract_sign_id' => $result                // 合同签署记录ID
                 ]);
                 // 创建签署记录成功后，为甲乙双方生成数据源配置记录
-                $this->createDocumentDataSourceConfig($course['contract_id'], $orderData);
+                $this->createDocumentDataSourceConfig($course['contract_id'], $result, $orderData);
 
                 \think\facade\Log::info('合同签署记录创建成功', [
                     'student_id' => $student_id,
@@ -433,11 +433,12 @@ class OrderTableService extends BaseApiService
 
     /**
      * 为甲乙双方创建文档数据源配置记录
-     * @param int $contract_id 合同ID
+     * @param int $contract_id 合同模板ID
+     * @param int $contract_sign_id 合同签署记录ID
      * @param array $orderData 订单数据
      * @return bool
      */
-    private function createDocumentDataSourceConfig($contract_id, $orderData)
+    private function createDocumentDataSourceConfig($contract_id, $contract_sign_id, $orderData)
     {
         try {
             // 获取合同模板的占位符配置
@@ -456,10 +457,11 @@ class OrderTableService extends BaseApiService
             $insert_data = [];
             $now = date('Y-m-d H:i:s');
 
-            // 为每个占位符配置创建数据源记录
+            // 为每个占位符配置创建数据源记录，关联到具体的签署记录
             foreach ($placeholder_config as $config) {
                 $data_source_record = [
                     'contract_id' => $contract_id,
+                    'contract_sign_id' => $contract_sign_id, // 新增：关联到具体的签署记录
                     'placeholder' => $config['placeholder'] ?? '',
                     'data_type' => $config['data_type'] ?? 'user_input',
                     'system_function' => $config['system_function'] ?? '',
@@ -483,6 +485,7 @@ class OrderTableService extends BaseApiService
                 if ($result) {
                     \think\facade\Log::info('文档数据源配置创建成功', [
                         'contract_id' => $contract_id,
+                        'contract_sign_id' => $contract_sign_id,
                         'order_id' => $orderData['id'],
                         'records_count' => count($insert_data)
                     ]);
@@ -495,6 +498,7 @@ class OrderTableService extends BaseApiService
         } catch (\Exception $e) {
             \think\facade\Log::error('创建文档数据源配置异常', [
                 'contract_id' => $contract_id,
+                'contract_sign_id' => $contract_sign_id,
                 'order_data' => $orderData,
                 'error' => $e->getMessage(),
                 'trace' => $e->getTraceAsString()
diff --git a/uniapp/api/apiRoute.js b/uniapp/api/apiRoute.js
index df420cab..a9bd79fd 100644
--- a/uniapp/api/apiRoute.js
+++ b/uniapp/api/apiRoute.js
@@ -1726,6 +1726,14 @@ export default {
     })
   },
 
+  // 根据签署记录ID获取合同签署表单配置（新方法-支持按签署关系区分字段）
+  async getStudentContractSignFormBySignId(data = {}) {
+    return await http.get('/contract/getStudentContractSignFormBySignId', {
+      contract_sign_id: data.contract_sign_id,
+      student_id: data.student_id,
+    })
+  },
+
   // 提交合同签署
   async signStudentContract(data = {}) {
     return await http.post('/student/contract/sign', {
diff --git a/uniapp/pages-market/clue/clue_info.vue b/uniapp/pages-market/clue/clue_info.vue
index 61c2a2e2..af2cbe4c 100644
--- a/uniapp/pages-market/clue/clue_info.vue
+++ b/uniapp/pages-market/clue/clue_info.vue
@@ -1199,6 +1199,9 @@ export default {
         course_count: order.total_hours || 0, // 使用课时数
         status: this.mapOrderStatus(order.order_status),
         create_time: order.created_at,
+        // 新增合同相关字段
+        contract_id: order.contract_id,
+        contract_sign_id: order.contract_sign_id,
         // 保留原始数据
         _raw: order
       }))
@@ -1575,7 +1578,8 @@ ${orderInfo.paid_at ? '支付时间：' + this.formatOrderTime(orderInfo.paid_at
     goToContractSign(order) {
       // 检查必要参数
       const studentId = order.student_id || this.currentStudent?.id
-      const contractId = order._raw?.contract_id || order.contract_id
+      const contractId = order.contract_id || order._raw?.contract_id
+      const contractSignId = order.contract_sign_id || order._raw?.contract_sign_id
       
       if (!studentId) {
         uni.showToast({
@@ -1586,15 +1590,22 @@ ${orderInfo.paid_at ? '支付时间：' + this.formatOrderTime(orderInfo.paid_at
       }
       
       if (!contractId) {
-        // 如果订单中没有合同ID，尝试从课程信息或其他地方获取
-        // 这里可能需要调用API获取合同信息
+        // 如果订单中没有合同模板ID，尝试从课程信息获取
         this.getContractByOrder(order, studentId)
         return
       }
       
-      // 跳转到合同签署页面
+      // 构建跳转参数
+      let url = `/pages-student/contracts/sign?contract_id=${contractId}&student_id=${studentId}&contract_name=${encodeURIComponent(order.product_name + '合同')}`
+      
+      // 如果有合同签署记录ID，也传递过去（用于已存在的签署记录）
+      if (contractSignId) {
+        url += `&contract_sign_id=${contractSignId}`
+      }
+      
+      // 跳转到学员端合同签署页面
       uni.navigateTo({
-        url: `/pages-student/contracts/sign?contract_id=${contractId}&student_id=${studentId}&contract_name=${encodeURIComponent(order.product_name + '合同')}`
+        url: url
       })
     },
     
diff --git a/uniapp/pages-student/contracts/sign.vue b/uniapp/pages-student/contracts/sign.vue
index 0db54738..14beb9af 100644
--- a/uniapp/pages-student/contracts/sign.vue
+++ b/uniapp/pages-student/contracts/sign.vue
@@ -168,6 +168,7 @@
 			return {
 				contractId: 0,
 				studentId: 0,
+				contractSignId: 0, // 新增：合同签署记录ID
 				contractName: '',
 				contractInfo: null,
 				contractContent: '',
@@ -264,6 +265,8 @@
 			this.contractId = parseInt(options.contract_id) || 0
 			this.studentId = parseInt(options.student_id) || 0
 			this.contractName = decodeURIComponent(options.contract_name || '')
+			// 新增：支持合同签署记录ID（用于已存在的签署记录）
+			this.contractSignId = parseInt(options.contract_sign_id) || 0
 			
 			if (this.contractId && this.studentId) {
 				this.loadSignForm()
@@ -298,14 +301,30 @@
 			async loadSignForm() {
 				this.loading = true
 				try {
-					console.log('加载签署表单:', { contractId: this.contractId, studentId: this.studentId })
-					
-					// 获取签署表单配置
-					const response = await apiRoute.getStudentContractSignForm({
-						contract_id: this.contractId,
-						student_id: this.studentId
+					console.log('加载签署表单:', { 
+						contractId: this.contractId, 
+						studentId: this.studentId, 
+						contractSignId: this.contractSignId 
 					})
 					
+					let response;
+					
+					// 优先使用contract_sign_id获取签署表单（支持按签署关系区分字段）
+					if (this.contractSignId && this.contractSignId > 0) {
+						console.log('使用签署记录ID获取表单配置')
+						response = await apiRoute.getStudentContractSignFormBySignId({
+							contract_sign_id: this.contractSignId,
+							student_id: this.studentId
+						})
+					} else {
+						console.log('使用合同模板ID获取表单配置（兼容模式）')
+						// 兼容旧版本：使用contract_id获取签署表单
+						response = await apiRoute.getStudentContractSignForm({
+							contract_id: this.contractId,
+							student_id: this.studentId
+						})
+					}
+					
 					if (response.code === 1) {
 						const data = response.data
 						this.contractInfo = {