feat: 修正电子签署按钮状态逻辑，确保用户在正确状态下进行合同签署，提升用户体验

src/views/OrderTrack/goodsDetail.vue

@@ -69,7 +69,7 @@
                 <!-- 电子签 -->
                 <!-- 电子签 -->
                 <template v-if="scope.row.contract_type == 2">
                 <template v-if="scope.row.contract_type == 2">
                   <!-- 签署状态为待签署+状态为有效 -->
                   <!-- 签署状态为待签署+状态为有效 -->
-                  <el-button type="primary" @click="showSignDialog(scope.row)" v-if="scope.row.status == 1 && scope.row.sign_status == 1">签署合同</el-button>
+                  <el-button type="primary" @click="showSignDialog(scope.row)" v-if="scope.row.status == 1 && scope.row.sign_status == 2">签署合同</el-button>
                 </template>
                 </template>
                 <!-- 人工签 -->
                 <!-- 人工签 -->
                 <template v-else>
                 <template v-else>