diff --git a/src/views/business/common-route.vue b/src/views/business/common-route.vue
index 9840ca8..b1c7b14 100644
--- a/src/views/business/common-route.vue
+++ b/src/views/business/common-route.vue
@@ -436,7 +436,25 @@ export default {
       return result;
     },
     defaultDeptId() {
-      return (this.userInfo && (this.userInfo.deptId || this.userInfo.dept_id)) || '';
+      const raw = (this.userInfo && (this.userInfo.deptId || this.userInfo.dept_id)) || '';
+      return (
+        String(raw)
+          .split(',')
+          .map(item => item.trim())
+          .filter(Boolean)[0] || ''
+      );
+    },
+    normalizeListQuery(params = {}) {
+      const query = { ...params, ...this.query };
+      const rawDeptId = query.deptId ?? query.searchDeptId;
+      delete query.searchDeptId;
+      if (rawDeptId !== undefined && rawDeptId !== null && String(rawDeptId).trim() !== '') {
+        query.deptId = String(rawDeptId).split(',')[0].trim();
+      } else {
+        delete query.deptId;
+      }
+      query.allDept = this.isAdmin ? 1 : 0;
+      return query;
     },
     applyDefaultDeptSearch() {
       const deptId = this.defaultDeptId();
@@ -999,9 +1017,9 @@ export default {
       this.onLoad(this.page, this.query);
     },
     searchChange(params, done) {
-      this.query = params;
+      this.query = this.normalizeListQuery(params);
       this.page.currentPage = 1;
-      this.onLoad(this.page, params);
+      this.onLoad(this.page, this.query);
       done();
     },
     selectionChange(list) {
@@ -1024,12 +1042,10 @@ export default {
     },
     onLoad(page, params = {}) {
       this.loading = true;
+      const query = this.normalizeListQuery(params);
+      this.query = query;
       api
-        .getList(page.currentPage, page.pageSize, {
-          ...params,
-          ...this.query,
-          allDept: this.isAdmin ? 1 : 0,
-        })
+        .getList(page.currentPage, page.pageSize, query)
         .then(res => {
           const result = res.data.data;
           this.page.total = result.total;
@@ -1042,8 +1058,7 @@ export default {
     },
     buildExportParams() {
       return {
-        ...this.query,
-        allDept: this.isAdmin ? 1 : 0,
+        ...this.normalizeListQuery(this.query),
         ids: this.ids,
         [this.website.tokenHeader]: getToken(),
       };
diff --git a/src/views/business/process-config.vue b/src/views/business/process-config.vue
index 05ef0be..4495ce5 100644
--- a/src/views/business/process-config.vue
+++ b/src/views/business/process-config.vue
@@ -565,7 +565,13 @@ export default {
       });
     },
     defaultDeptId() {
-      return (this.userInfo && (this.userInfo.deptId || this.userInfo.dept_id)) || '';
+      const raw = (this.userInfo && (this.userInfo.deptId || this.userInfo.dept_id)) || '';
+      return (
+        String(raw)
+          .split(',')
+          .map(item => item.trim())
+          .filter(Boolean)[0] || ''
+      );
     },
     applyDefaultDeptSearch() {
       const deptId = this.defaultDeptId();
@@ -580,15 +586,32 @@ export default {
       });
     },
     flattenDept(tree, level = 0) {
-      return tree.flatMap(item => [
-        {
-          label: `${'　'.repeat(level)}${item.title || item.deptName || item.name}`,
-          value: item.id,
-        },
-        ...(item.children && item.children.length
-          ? this.flattenDept(item.children, level + 1)
-          : []),
-      ]);
+      return tree.flatMap(item => {
+        const id =
+          item.id === undefined || item.id === null || item.id === '' ? '' : String(item.id);
+        if (!id) return [];
+        return [
+          {
+            label: `${'　'.repeat(level)}${item.title || item.deptName || item.name}`,
+            value: id,
+          },
+          ...(item.children && item.children.length
+            ? this.flattenDept(item.children, level + 1)
+            : []),
+        ];
+      });
+    },
+    normalizeListQuery(params = {}) {
+      const query = { ...params, ...this.query };
+      const rawDeptId = query.deptId ?? query.searchDeptId;
+      delete query.searchDeptId;
+      if (rawDeptId !== undefined && rawDeptId !== null && String(rawDeptId).trim() !== '') {
+        query.deptId = String(rawDeptId).split(',')[0].trim();
+      } else {
+        delete query.deptId;
+      }
+      query.allDept = this.isAdmin ? 1 : 0;
+      return query;
     },
     displayStatus(status) {
       const statusMap = {
@@ -1074,9 +1097,9 @@ export default {
       this.onLoad(this.page, this.query);
     },
     searchChange(params, done) {
-      this.query = params;
+      this.query = this.normalizeListQuery(params);
       this.page.currentPage = 1;
-      this.onLoad(this.page, params);
+      this.onLoad(this.page, this.query);
       done();
     },
     selectionChange(list) {
@@ -1099,12 +1122,10 @@ export default {
     },
     onLoad(page, params = {}) {
       this.loading = true;
+      const query = this.normalizeListQuery(params);
+      this.query = query;
       api
-        .getList(page.currentPage, page.pageSize, {
-          ...params,
-          ...this.query,
-          allDept: this.isAdmin ? 1 : 0,
-        })
+        .getList(page.currentPage, page.pageSize, query)
         .then(res => {
           const result = res.data.data || {};
           this.page.total = result.total || 0;
@@ -1117,8 +1138,7 @@ export default {
     },
     buildExportParams() {
       return {
-        ...this.query,
-        allDept: this.isAdmin ? 1 : 0,
+        ...this.normalizeListQuery(this.query),
         ids: this.ids,
         [this.website.tokenHeader]: getToken(),
       };