diff --git a/src/api/eam/eam.js b/src/api/eam/eam.js
index cb35794..7b3401a 100644
--- a/src/api/eam/eam.js
+++ b/src/api/eam/eam.js
@@ -208,6 +208,7 @@ export const getDetail= data => createAPI(`/pms/eam/getDetail`,'post',data)
 export const AddTreeselect= data => createAPI(`/pms/eam/AddTreeselect`,'post',data)
 export const EditTreeselect= data => createAPI(`/pms/eam/EditTreeselect`,'post',data)
 export const getSiteAndBuByUserName= data => createAPI(`/pms/eam/getSiteAndBuByUserName`,'post',data)
+export const getProjectCategoryByBu= data => createAPI(`/pms/eam/getProjectCategoryByBu`,'post',data)
 
 export const eamCheckRecordSearch= data => createAPI(`/pms/eam/eamCheckRecordSearch`,'post',data)
 export const eamCheckRecordSearch2= data => createAPI(`/pms/eam/eamCheckRecordSearch2`,'post',data)
diff --git a/src/views/modules/eam/eamBuDocumentListDefinition.vue b/src/views/modules/eam/eamBuDocumentListDefinition.vue
index 64a4f2b..a4586da 100644
--- a/src/views/modules/eam/eamBuDocumentListDefinition.vue
+++ b/src/views/modules/eam/eamBuDocumentListDefinition.vue
@@ -8,7 +8,7 @@
 
     <el-form :inline="true" label-position="top" :model="searchData" @keyup.enter.native="getDataList()">
       <el-form-item :label="'BU'">
-        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px">
+        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px" @change="searchBuChangeHandle">
           <el-option
             v-for = "i in userBuList"
             :key = "i.buNo"
@@ -30,7 +30,7 @@
       <el-form-item :label="'项目分类'">
         <el-select v-model="searchData.projectCategory" placeholder="请选择" clearable style="width: 130px">
           <el-option
-            v-for = "i in projectCategoryList"
+            v-for = "i in searchProjectCategoryList"
             :key = "i.projectCategory"
             :label = "i.projectCategory"
             :value = "i.projectCategory">
@@ -111,7 +111,7 @@
     <el-dialog title="BU文档清单" :close-on-click-modal="false" v-drag :visible.sync="modalFlag" width="455px">
       <el-form :inline="true" label-position="top" :model="modalData" :rules="rules" style="margin-left: 7px;margin-top: -5px;">
         <el-form-item label="BU" prop="bu" :rules="rules.bu">
-          <el-select v-model="modalData.bu" placeholder="请选择" :disabled="modalDisableFlag" style="width: 110px">
+          <el-select v-model="modalData.bu" placeholder="请选择" :disabled="modalDisableFlag" style="width: 110px" @change="modalBuChangeHandle">
             <el-option
               v-for = "i in userBuList"
               :key = "i.buNo"
@@ -190,6 +190,7 @@
     eamBuDocumentSave,
     eamBuDocumentEdit,
     eamBuDocumentDelete,
+    getProjectCategoryByBu,
     getSiteAndBuByUserName
   } from "@/api/eam/eam.js"
   import Chooselist from '@/views/modules/common/Chooselist_eam'
@@ -535,17 +536,8 @@
             }
           ]
         },
-        projectCategoryList: [
-          {
-            projectCategory: 'Low Risk',
-          },
-          {
-            projectCategory: 'High Risk',
-          },
-          {
-            projectCategory: 'Sustaining',
-          }
-        ],
+        searchProjectCategoryList: [],
+        projectCategoryList: [],
         projectPhaseList: [
           {
             projectPhase: 'Sample',
@@ -610,9 +602,88 @@
         getSiteAndBuByUserName(tempData).then(({data}) => {
           if (data.code === 0) {
             this.userBuList = data.rows
+            const defaultBuNo = this.userBuList.length > 0 ? this.getBuNoByJoinedValue(this.userBuList[0].buNo) : ''
+            this.loadSearchProjectCategory('')
+            this.loadModalProjectCategory(defaultBuNo)
+          } else {
+            this.userBuList = []
+            this.searchProjectCategoryList = []
+            this.projectCategoryList = []
+          }
+        })
+      },
+      // 从 site_bu 中截取 bu_no
+      getBuNoByJoinedValue (buValue) {
+        if (!buValue) {
+          return ''
+        }
+        let buParts = buValue.split('_')
+        if (buParts.length >= 2) {
+          return buParts[1]
+        }
+        return buValue
+      },
+      // 根据 BU 描述获取 bu_no
+      getBuNoByBuDesc (buDesc) {
+        if (!buDesc) {
+          return ''
+        }
+        let matchBu = this.userBuList.find(item => item.buDesc === buDesc)
+        if (!matchBu) {
+          return ''
+        }
+        return this.getBuNoByJoinedValue(matchBu.buNo)
+      },
+      // 加载查询区项目分类
+      loadSearchProjectCategory (buNo) {
+        let inData = {
+          site: this.$store.state.user.site,
+          buNo: buNo || ''
+        }
+        getProjectCategoryByBu(inData).then(({data}) => {
+          if (data && data.code === 0) {
+            this.searchProjectCategoryList = data.rows || []
+          } else {
+            this.searchProjectCategoryList = []
+          }
+        }).catch(() => {
+          this.searchProjectCategoryList = []
+        })
+      },
+      // 加载弹窗项目分类
+      loadModalProjectCategory (buNo, currentProjectCategory) {
+        let inData = {
+          site: this.$store.state.user.site,
+          buNo: buNo || ''
+        }
+        getProjectCategoryByBu(inData).then(({data}) => {
+          if (data && data.code === 0) {
+            let categoryList = (data.rows || []).slice()
+            if (currentProjectCategory && !categoryList.some(item => item.projectCategory === currentProjectCategory)) {
+              categoryList.push({
+                projectCategory: currentProjectCategory
+              })
+            }
+            this.projectCategoryList = categoryList
+          } else {
+            this.projectCategoryList = []
           }
+        }).catch(() => {
+          this.projectCategoryList = []
         })
       },
+      // 查询区 BU 变化后刷新项目分类
+      searchBuChangeHandle (buDesc) {
+        this.searchData.projectCategory = ''
+        let buNo = this.getBuNoByBuDesc(buDesc)
+        this.loadSearchProjectCategory(buNo)
+      },
+      // 弹窗 BU 变化后刷新项目分类
+      modalBuChangeHandle (buValue) {
+        this.modalData.projectCategory = ''
+        let buNo = this.getBuNoByJoinedValue(buValue)
+        this.loadModalProjectCategory(buNo)
+      },
 
       // 获取基础数据列表S
       getBaseList (val,type) {
@@ -795,6 +866,8 @@
           createBy: this.$store.state.user.name,
           updateBy: this.$store.state.user.name,
         }
+        let defaultBuNo = this.getBuNoByJoinedValue(this.modalData.bu)
+        this.loadModalProjectCategory(defaultBuNo)
         this.modalDisableFlag = false
         this.modalFlag = true
       },
@@ -830,6 +903,8 @@
           createBy: this.modalData.createBy,
           updateBy: this.modalData.updateBy,
         }
+        let editBuNo = this.getBuNoByJoinedValue(this.modalData.bu)
+        this.loadModalProjectCategory(editBuNo, this.modalData.projectCategory)
         this.disableButton = true
         this.modalDisableFlag = true
         this.modalFlag = true
diff --git a/src/views/modules/eam/eamProjectInfo.vue b/src/views/modules/eam/eamProjectInfo.vue
index 61bc7b2..3b31f0f 100644
--- a/src/views/modules/eam/eamProjectInfo.vue
+++ b/src/views/modules/eam/eamProjectInfo.vue
@@ -8,7 +8,7 @@
 
     <el-form :inline="true" label-position="top" :model="searchData" @keyup.enter.native="getDataList()">
       <el-form-item :label="'BU'">
-        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px">
+        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px" @change="searchBuChangeHandle">
           <el-option
             v-for = "i in userBuList"
             :key = "i.buNo"
@@ -32,7 +32,7 @@
       <el-form-item :label="'项目分类'">
         <el-select v-model="searchData.projectCategory" placeholder="请选择" clearable style="width: 130px">
           <el-option
-            v-for = "i in projectCategoryList"
+            v-for = "i in searchProjectCategoryList"
             :key = "i.projectCategory"
             :label = "i.projectCategory"
             :value = "i.projectCategory">
@@ -182,7 +182,7 @@
           <template #label>
             <span class="big-label">BU</span>
           </template>
-          <el-select v-model="modalData.bu" placeholder="请选择" :disabled="modalDisableFlag" style="width: 151px">
+          <el-select v-model="modalData.bu" placeholder="请选择" :disabled="modalDisableFlag" style="width: 151px" @change="modalBuChangeHandle">
             <el-option
               v-for = "i in userBuList"
               :key = "i.buNo"
@@ -1005,7 +1005,7 @@
 </template>
 
 <script>
-import {getSiteAndBuByUserName} from "@/api/eam/eam.js"
+import {getProjectCategoryByBu, getSiteAndBuByUserName} from "@/api/eam/eam.js"
 import {
   searchBusinessInfo,
   searchBusinessInfo1,
@@ -2683,17 +2683,8 @@ import {updateColumnSize} from "../../../api/table";
             }
           ],
         },
-        projectCategoryList: [
-          {
-            projectCategory: 'Low Risk',
-          },
-          {
-            projectCategory: 'High Risk',
-          },
-          {
-            projectCategory: 'Sustaining',
-          }
-        ],
+        searchProjectCategoryList: [],
+        projectCategoryList: [],
         cProjectRegionList: [
           {
             cProjectRegion: 'Global',
@@ -2799,9 +2790,88 @@ import {updateColumnSize} from "../../../api/table";
         getSiteAndBuByUserName(tempData).then(({data}) => {
           if (data.code === 0) {
             this.userBuList = data.rows
+            const defaultBuNo = this.userBuList.length > 0 ? this.getBuNoByJoinedValue(this.userBuList[0].buNo) : ''
+            this.loadSearchProjectCategory('')
+            this.loadModalProjectCategory(defaultBuNo)
+          } else {
+            this.userBuList = []
+            this.searchProjectCategoryList = []
+            this.projectCategoryList = []
           }
         })
       },
+      // 从 site_bu 中截取 bu_no
+      getBuNoByJoinedValue (buValue) {
+        if (!buValue) {
+          return ''
+        }
+        let buParts = buValue.split('_')
+        if (buParts.length >= 2) {
+          return buParts[1]
+        }
+        return buValue
+      },
+      // 根据 BU 描述获取 bu_no
+      getBuNoByBuDesc (buDesc) {
+        if (!buDesc) {
+          return ''
+        }
+        let matchBu = this.userBuList.find(item => item.buDesc === buDesc)
+        if (!matchBu) {
+          return ''
+        }
+        return this.getBuNoByJoinedValue(matchBu.buNo)
+      },
+      // 加载查询区项目分类
+      loadSearchProjectCategory (buNo) {
+        let inData = {
+          site: this.$store.state.user.site,
+          buNo: buNo || ''
+        }
+        getProjectCategoryByBu(inData).then(({data}) => {
+          if (data && data.code === 0) {
+            this.searchProjectCategoryList = data.rows || []
+          } else {
+            this.searchProjectCategoryList = []
+          }
+        }).catch(() => {
+          this.searchProjectCategoryList = []
+        })
+      },
+      // 加载弹窗项目分类
+      loadModalProjectCategory (buNo, currentProjectCategory) {
+        let inData = {
+          site: this.$store.state.user.site,
+          buNo: buNo || ''
+        }
+        getProjectCategoryByBu(inData).then(({data}) => {
+          if (data && data.code === 0) {
+            let categoryList = (data.rows || []).slice()
+            if (currentProjectCategory && !categoryList.some(item => item.projectCategory === currentProjectCategory)) {
+              categoryList.push({
+                projectCategory: currentProjectCategory
+              })
+            }
+            this.projectCategoryList = categoryList
+          } else {
+            this.projectCategoryList = []
+          }
+        }).catch(() => {
+          this.projectCategoryList = []
+        })
+      },
+      // 查询区 BU 变化后刷新项目分类
+      searchBuChangeHandle (buDesc) {
+        this.searchData.projectCategory = ''
+        let buNo = this.getBuNoByBuDesc(buDesc)
+        this.loadSearchProjectCategory(buNo)
+      },
+      // 弹窗 BU 变化后刷新项目分类
+      modalBuChangeHandle (buValue) {
+        this.modalData.projectCategory = ''
+        let buNo = this.getBuNoByJoinedValue(buValue)
+        this.loadModalProjectCategory(buNo)
+      },
 
       // 获取基础数据列表S
       getBaseList (val,type) {
@@ -3398,6 +3468,8 @@ import {updateColumnSize} from "../../../api/table";
           createBy: this.$store.state.user.name,
           updateBy: this.$store.state.user.name,
         }
+        let defaultBuNo = this.getBuNoByJoinedValue(this.modalData.bu)
+        this.loadModalProjectCategory(defaultBuNo)
         this.modalDisableFlag = false
         this.modalPartDisableFlag = false
         this.clearButtonFlag = false
@@ -3469,6 +3541,8 @@ import {updateColumnSize} from "../../../api/table";
         if (row.cQualityEngineer7 != null && row.cQualityEngineer7 !== ''){
           this.modalData.cQualityEngineer7Name= row.cQualityEngineer7.split('-')[1] // 截取用户名
         }
+        let editBuNo = this.getBuNoByJoinedValue(this.modalData.bu)
+        this.loadModalProjectCategory(editBuNo, this.modalData.projectCategory)
         this.modalDisableFlag = true
         this.modalPartDisableFlag = false
         this.clearButtonFlag = true
diff --git a/src/views/modules/eam/eamProjectPartInfo.vue b/src/views/modules/eam/eamProjectPartInfo.vue
index 84d0fc0..679b6f1 100644
--- a/src/views/modules/eam/eamProjectPartInfo.vue
+++ b/src/views/modules/eam/eamProjectPartInfo.vue
@@ -8,7 +8,7 @@
 
     <el-form :inline="true" label-position="top" :model="searchData" @keyup.enter.native="getDataList()">
       <el-form-item :label="'BU'">
-        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px">
+        <el-select v-model="searchData.buDesc" placeholder="请选择" clearable style="width: 130px" @change="searchBuChangeHandle">
           <el-option
             v-for = "i in userBuList"
             :key = "i.buNo"
@@ -1694,7 +1694,7 @@
 </template>
 
 <script>
-import {getSiteAndBuByUserName} from "@/api/eam/eam.js"
+import {getProjectCategoryByBu, getSiteAndBuByUserName} from "@/api/eam/eam.js"
 import {
   searchBusinessInfo,
   searchBusinessInfo1,
@@ -3780,17 +3780,7 @@ import {uploadFileList} from '@/api/base/baseFunction.js';
             }
           ],
         },
-        projectCategoryList: [
-          {
-            projectCategory: 'Low Risk',
-          },
-          {
-            projectCategory: 'High Risk',
-          },
-          {
-            projectCategory: 'Sustaining',
-          }
-        ],
+        projectCategoryList: [],
         cProjectRegionList: [
           {
             cProjectRegion: 'Global',
@@ -3915,9 +3905,57 @@ import {uploadFileList} from '@/api/base/baseFunction.js';
         getSiteAndBuByUserName(tempData).then(({data}) => {
           if (data.code === 0) {
             this.userBuList = data.rows
+            this.loadSearchProjectCategory('')
+          } else {
+            this.userBuList = []
+            this.projectCategoryList = []
           }
         })
       },
+      // 从 site_bu 中截取 bu_no
+      getBuNoByJoinedValue (buValue) {
+        if (!buValue) {
+          return ''
+        }
+        let buParts = buValue.split('_')
+        if (buParts.length >= 2) {
+          return buParts[1]
+        }
+        return buValue
+      },
+      // 根据 BU 描述获取 bu_no
+      getBuNoByBuDesc (buDesc) {
+        if (!buDesc) {
+          return ''
+        }
+        let matchBu = this.userBuList.find(item => item.buDesc === buDesc)
+        if (!matchBu) {
+          return ''
+        }
+        return this.getBuNoByJoinedValue(matchBu.buNo)
+      },
+      // 加载查询区项目分类
+      loadSearchProjectCategory (buNo) {
+        let inData = {
+          site: this.$store.state.user.site,
+          buNo: buNo || ''
+        }
+        getProjectCategoryByBu(inData).then(({data}) => {
+          if (data && data.code === 0) {
+            this.projectCategoryList = data.rows || []
+          } else {
+            this.projectCategoryList = []
+          }
+        }).catch(() => {
+          this.projectCategoryList = []
+        })
+      },
+      // 查询区 BU 变化后刷新项目分类
+      searchBuChangeHandle (buDesc) {
+        this.searchData.projectCategory = ''
+        let buNo = this.getBuNoByBuDesc(buDesc)
+        this.loadSearchProjectCategory(buNo)
+      },
 
       // 获取基础数据列表S
       getBaseList (val,type) {