feat(orderTrack): 重构协议状态处理逻辑，优化弹窗显示

- 提取通用逻辑为独立方法，提升代码可读性
- 优化弹窗显示逻辑，处理不同协议状态的情况
- 增加无数据处理逻辑，确保用户体验一致性

src/views/OrderTrack/goods.vue

@@ -437,57 +437,72 @@
                         this.agreementStatus.has_cooperation_agreement = res.data.has_cooperation_agreement;
                         this.agreementStatus.status = res.data.status;
                         var status = res.data.status;
-
-                        // 根据协议状态设置标题和显示对应弹窗
-                        if (res.data.has_cooperation_agreement === 1) {
-                            // 已有协议
-                            this.agreementForm.id = res.data.id || '';
-                            this.agreementForm.file_url = res.data.file_url || '';
-                            this.agreementForm.file_name = res.data.file_name || '';
-                            this.agreementForm.validity_type = res.data.validity_type || 1;
-                            this.agreementForm.validity_start = res.data.validity_start || '';
-                            this.agreementForm.validity_end = res.data.validity_end || '';
-
-                            // 如果是自定义有效期，设置日期范围
-                            if (res.data.validity_type === 2 && res.data.validity_start && res.data.validity_end) {
-                                this.validityRange = [res.data.validity_start, res.data.validity_end];
-                            }
-                            
-                            if (status === 1) {
-                                // 审核通过，显示状态提示弹窗
-                                this.title = '提示';
-                                this.dialogVisibleSign = false;
-                                this.dialogVisibleStatus = true;
-                            } else {
-                                // 待审核或审核失败，显示申请弹窗
-                                this.title = '申请电子签';
-                                this.dialogVisibleSign = true;
-                                this.dialogVisibleStatus = false;
-                            }
-                        } else {
-                            // 没有协议，显示申请弹窗
-                            this.title = '签署采购合作框架协议';
-                            this.dialogVisibleSign = true;
-                            this.dialogVisibleStatus = false;
+                        var hasAgreement = res.data.has_cooperation_agreement;
+                        var id = res.data.id || '';
+
+                        // 填充表单数据（通用逻辑）
+                        this.fillAgreementForm(res.data, id);
+
+                        // 四种情况的弹窗逻辑
+                        if (hasAgreement === 0 && id === '') {
+                            // 情况1.1：供应商没有提交过申请 (弹窗1.1)
+                            this.showSignDialog('签署采购合作框架协议');
+                        } else if (hasAgreement === 0 && (status === 0 || status === -1)) {
+                            // 情况1.2/1.3：已提交申请，审核中或审核不通过 (弹窗1.2/1.3)
+                            this.showSignDialog('申请电子签');
+                        } else if (hasAgreement === 1) {
+                            // 情况2：已有【采购合作框架协议】，显示弹窗2 (提示已有协议可走电子签流程)
+                            this.showStatusDialog();
                         }
                     } else {
-                        this.agreementStatus.status_name = '暂无状态';
-                        this.agreementStatus.has_cooperation_agreement = 0;
-                        // 没有协议数据，打开申请弹窗
-                        this.title = '签署采购合作框架协议';
-                        this.dialogVisibleSign = true;
-                        this.dialogVisibleStatus = false;
+                        // 接口返回无数据，按情况1.1处理
+                        this.handleNoDataCase('暂无状态');
                     }
                 }).catch(err => {
                     console.error('获取协议状态失败:', err);
-                    this.agreementStatus.status_name = '获取状态失败';
-                    this.agreementStatus.has_cooperation_agreement = 0;
-                    // 接口失败，默认打开申请弹窗
-                    this.title = '签署采购合作框架协议';
-                    this.dialogVisibleSign = true;
-                    this.dialogVisibleStatus = false;
+                    this.handleNoDataCase('获取状态失败');
                 });
             },
+            /**
+             * 填充协议表单数据
+             */
+            fillAgreementForm(data, id) {
+                this.agreementForm.id = id;
+                this.agreementForm.file_url = data.file_url || '';
+                this.agreementForm.file_name = data.file_name || '';
+                this.agreementForm.validity_type = data.validity_type || 1;
+                this.agreementForm.validity_start = data.validity_start || '';
+                this.agreementForm.validity_end = data.validity_end || '';
+
+                // 设置日期范围
+                if (data.validity_type === 2 && data.validity_start && data.validity_end) {
+                    this.validityRange = [data.validity_start, data.validity_end];
+                }
+            },
+            /**
+             * 显示申请签署弹窗
+             */
+            showSignDialog(title) {
+                this.title = title;
+                this.dialogVisibleSign = true;
+                this.dialogVisibleStatus = false;
+            },
+            /**
+             * 显示状态提示弹窗
+             */
+            showStatusDialog() {
+                this.title = '提示';
+                this.dialogVisibleSign = false;
+                this.dialogVisibleStatus = true;
+            },
+            /**
+             * 处理无数据情况（默认情况1.1）
+             */
+            handleNoDataCase(statusName) {
+                this.agreementStatus.status_name = statusName;
+                this.agreementStatus.has_cooperation_agreement = 0;
+                this.showSignDialog('签署采购合作框架协议');
+            },
             //生成发货单
             addSend() {
                 if (this.multipleSelection.length != 1) {