diff --git a/src/handlers/handleAutoFillBeisen.ts b/src/handlers/handleAutoFillBeisen.ts
index f88d164..f3a6b5f 100644
--- a/src/handlers/handleAutoFillBeisen.ts
+++ b/src/handlers/handleAutoFillBeisen.ts
@@ -444,8 +444,15 @@ export async function handleAutoFillBeisen(params: AutoFillBeisenParams): Promis
   // 【独立步骤】注释下面这段即可禁用阶段B2
   {
     const resumeName = currentResumeData?.main?.resumeName || currentResumeData?.main?.name || ""
+    // 构建阶段B中简历无值未填写的非经历字段映射（标签文字→input元素），传给B2作为 fallback 定位
+    const unfilledMainFieldMap = new Map<string, HTMLInputElement | HTMLTextAreaElement>()
+    for (const f of mainFields) {
+      if (!f.fillValue && f.inputElement && !usedInputs.has(f.inputElement)) {
+        unfilledMainFieldMap.set(f.labelText, f.inputElement)
+      }
+    }
     const b2Result = await handleFillCachedData({
-      lang, resumeName, usedInputs, expandedResults, sectionResults,
+      lang, resumeName, usedInputs, expandedResults, sectionResults, unfilledMainFieldMap,
     })
     result.success += b2Result.success
     result.failed += b2Result.failed
@@ -1130,7 +1137,7 @@ export async function handleAutoFillBeisen(params: AutoFillBeisenParams): Promis
       let cacheData: any = null
 
       if (existing && existing.resumeName === resumeName && existing.unfilledFormData) {
-        // 同一份简历，用新数据替换同名 section（保留其他平台的 section）
+        // 同一份简历，按字段级合并（非空值才更新，保留旧缓存中已有的非空值不被覆盖）
         const oldSections = existing.unfilledFormData as any[]
         const newSections = unfilledFormData as any[]
 
@@ -1139,7 +1146,43 @@ export async function handleAutoFillBeisen(params: AutoFillBeisenParams): Promis
           if (oldSecIdx < 0) {
             oldSections.push(newSec)
           } else {
-            oldSections[oldSecIdx] = newSec
+            const oldSec = oldSections[oldSecIdx]
+            if (newSec.isExperience && oldSec.isExperience) {
+              // 经历类型：按段合并，保留旧字段
+              const oldSegments = oldSec.formItems as any[][]
+              const newSegments = newSec.formItems as any[][]
+              for (let sIdx = 0; sIdx < newSegments.length; sIdx++) {
+                if (sIdx >= oldSegments.length) {
+                  oldSegments.push(newSegments[sIdx])
+                } else {
+                  const oldFields = oldSegments[sIdx]
+                  const newFields = newSegments[sIdx]
+                  for (const nf of newFields) {
+                    const of_ = oldFields.find((f: any) => f.label === nf.label)
+                    if (of_) {
+                      if (nf.value) of_.value = nf.value
+                    } else {
+                      oldFields.push(nf)
+                    }
+                  }
+                }
+              }
+            } else if (!newSec.isExperience && !oldSec.isExperience) {
+              // 非经历类型：按字段合并，只有非空值才更新，旧值不丢失
+              const oldFields = oldSec.formItems as any[]
+              const newFields = newSec.formItems as any[]
+              for (const nf of newFields) {
+                const of_ = oldFields.find((f: any) => f.label === nf.label)
+                if (of_) {
+                  if (nf.value) of_.value = nf.value
+                } else {
+                  oldFields.push(nf)
+                }
+              }
+            } else {
+              // 类型变化（经历↔非经历），直接替换
+              oldSections[oldSecIdx] = newSec
+            }
           }
         }
 
@@ -1197,6 +1240,8 @@ interface FillCachedDataParams {
   usedInputs: Set<Element>
   expandedResults: ExperienceSectionLocateResult[]
   sectionResults: ExperienceSectionLocateResult[]
+  /** 阶段B中简历无值未填写的非经历字段（标签→input映射），B2用缓存值填写这些字段 */
+  unfilledMainFieldMap?: Map<string, HTMLInputElement | HTMLTextAreaElement>
 }
 
 /** 阶段B2 结果 */
@@ -1466,7 +1511,7 @@ async function b2FillBeisenRadioGroup(
  * 阶段B2 主流程：从缓存读取 unfilledFormData，填写有值的字段
  */
 async function handleFillCachedData(params: FillCachedDataParams): Promise<FillCachedDataResult> {
-  const { lang, resumeName, usedInputs, expandedResults, sectionResults } = params
+  const { lang, resumeName, usedInputs, expandedResults, sectionResults, unfilledMainFieldMap } = params
   const result: FillCachedDataResult = { success: 0, failed: 0, skipped: 0 }
 
   const cacheData = await storageGet<any>("offerpie_unfilled_form")
@@ -1618,7 +1663,15 @@ async function handleFillCachedData(params: FillCachedDataParams): Promise<FillC
       console.log(`  [B2] "${sectionData.title}" (非经历) 缓存${fields.length}个字段`)
       for (const field of fields) {
         if (!field.value) { result.skipped++; continue }
-        const inputEl = b2FindInputByLabel(field.label, titleEl, nextTitleEl, usedInputs)
+        let inputEl = b2FindInputByLabel(field.label, titleEl, nextTitleEl, usedInputs)
+        // fallback：如果 b2FindInputByLabel 找不到，从阶段B传入的未填简历字段映射中查找
+        if (!inputEl && unfilledMainFieldMap) {
+          const fallbackEl = unfilledMainFieldMap.get(field.label)
+          if (fallbackEl && !usedInputs.has(fallbackEl)) {
+            inputEl = fallbackEl
+            console.log(`  [B2] "${field.label}" 通过 unfilledMainFieldMap fallback 定位到 input`)
+          }
+        }
         if (inputEl) {
           // 时间/日期字段走阶段A同款流程：直接点击 input → fillDatePicker，不经过 detectPickerField
           if (b2IsDateTimeLabel(field.label)) {
@@ -1742,7 +1795,7 @@ export async function fillBeisenCascadePicker(
   forceSetValue(searchInput, fillValue)
   searchInput.dispatchEvent(new Event("input", { bubbles: true }))
   searchInput.dispatchEvent(new Event("change", { bubbles: true }))
-  await delay("mid") // 等待搜索结果刷新（太短会导致选项列表未更新，选到错误选项）
+  await delay("high") // 等待搜索结果刷新（地区类级联数据量大，需要更长等待时间）
 
   // 6. 检测选项集合位置（两种情况）
   // 在 left-container 下查找
diff --git a/src/handlers/handleAutoFillCommon.ts b/src/handlers/handleAutoFillCommon.ts
index d1a34b7..8992bdc 100644
--- a/src/handlers/handleAutoFillCommon.ts
+++ b/src/handlers/handleAutoFillCommon.ts
@@ -428,8 +428,15 @@ export async function handleAutoFillCommon(params: AutoFillCommonParams): Promis
   // 【独立步骤】注释下面这段即可禁用阶段B2
   {
     const resumeName = currentResumeData?.main?.resumeName || currentResumeData?.main?.name || ""
+    // 构建阶段B中简历无值未填写的非经历字段映射（标签文字→input元素），传给B2作为 fallback 定位
+    const unfilledMainFieldMap = new Map<string, HTMLInputElement | HTMLTextAreaElement>()
+    for (const f of mainFields) {
+      if (!f.fillValue && f.inputElement && !usedInputs.has(f.inputElement)) {
+        unfilledMainFieldMap.set(f.labelText, f.inputElement)
+      }
+    }
     const b2Result = await handleFillCachedData({
-      lang, resumeName, usedInputs, expandedResults, sectionResults,
+      lang, resumeName, usedInputs, expandedResults, sectionResults, unfilledMainFieldMap,
     })
     result.success += b2Result.success
     result.failed += b2Result.failed
@@ -1065,7 +1072,7 @@ export async function handleAutoFillCommon(params: AutoFillCommonParams): Promis
       let cacheData: any = null
 
       if (existing && existing.resumeName === resumeName && existing.unfilledFormData) {
-        // 同一份简历，用新数据替换同名 section（保留其他平台的 section）
+        // 同一份简历，按字段级合并（非空值才更新，保留旧缓存中已有的非空值不被覆盖）
         const oldSections = existing.unfilledFormData as any[]
         const newSections = unfilledFormData as any[]
 
@@ -1074,7 +1081,43 @@ export async function handleAutoFillCommon(params: AutoFillCommonParams): Promis
           if (oldSecIdx < 0) {
             oldSections.push(newSec)
           } else {
-            oldSections[oldSecIdx] = newSec
+            const oldSec = oldSections[oldSecIdx]
+            if (newSec.isExperience && oldSec.isExperience) {
+              // 经历类型：按段合并，保留旧字段
+              const oldSegments = oldSec.formItems as any[][]
+              const newSegments = newSec.formItems as any[][]
+              for (let sIdx = 0; sIdx < newSegments.length; sIdx++) {
+                if (sIdx >= oldSegments.length) {
+                  oldSegments.push(newSegments[sIdx])
+                } else {
+                  const oldFields = oldSegments[sIdx]
+                  const newFields = newSegments[sIdx]
+                  for (const nf of newFields) {
+                    const of_ = oldFields.find((f: any) => f.label === nf.label)
+                    if (of_) {
+                      if (nf.value) of_.value = nf.value
+                    } else {
+                      oldFields.push(nf)
+                    }
+                  }
+                }
+              }
+            } else if (!newSec.isExperience && !oldSec.isExperience) {
+              // 非经历类型：按字段合并，只有非空值才更新，旧值不丢失
+              const oldFields = oldSec.formItems as any[]
+              const newFields = newSec.formItems as any[]
+              for (const nf of newFields) {
+                const of_ = oldFields.find((f: any) => f.label === nf.label)
+                if (of_) {
+                  if (nf.value) of_.value = nf.value
+                } else {
+                  oldFields.push(nf)
+                }
+              }
+            } else {
+              // 类型变化（经历↔非经历），直接替换
+              oldSections[oldSecIdx] = newSec
+            }
           }
         }
 
@@ -1132,6 +1175,8 @@ interface FillCachedDataParams {
   usedInputs: Set<Element>
   expandedResults: ExperienceSectionLocateResult[]
   sectionResults: ExperienceSectionLocateResult[]
+  /** 阶段B中简历无值未填写的非经历字段（标签→input映射），B2用缓存值填写这些字段 */
+  unfilledMainFieldMap?: Map<string, HTMLInputElement | HTMLTextAreaElement>
 }
 
 /** 阶段B2 结果 */
@@ -1310,7 +1355,7 @@ async function b2FillDateTimeField(
  * 阶段B2 主流程：从缓存读取 unfilledFormData，填写有值的字段
  */
 async function handleFillCachedData(params: FillCachedDataParams): Promise<FillCachedDataResult> {
-  const { lang, resumeName, usedInputs, expandedResults, sectionResults } = params
+  const { lang, resumeName, usedInputs, expandedResults, sectionResults, unfilledMainFieldMap } = params
   const result: FillCachedDataResult = { success: 0, failed: 0, skipped: 0 }
 
   const cacheData = await storageGet<any>("offerpie_unfilled_form")
@@ -1454,7 +1499,15 @@ async function handleFillCachedData(params: FillCachedDataParams): Promise<FillC
       console.log(`  [B2] "${sectionData.title}" (非经历) 缓存${fields.length}个字段`)
       for (const field of fields) {
         if (!field.value) { result.skipped++; continue }
-        const inputEl = b2FindInputByLabel(field.label, titleEl, nextTitleEl, usedInputs)
+        let inputEl = b2FindInputByLabel(field.label, titleEl, nextTitleEl, usedInputs)
+        // fallback：如果 b2FindInputByLabel 找不到，从阶段B传入的未填简历字段映射中查找
+        if (!inputEl && unfilledMainFieldMap) {
+          const fallbackEl = unfilledMainFieldMap.get(field.label)
+          if (fallbackEl && !usedInputs.has(fallbackEl)) {
+            inputEl = fallbackEl
+            console.log(`  [B2] "${field.label}" 通过 unfilledMainFieldMap fallback 定位到 input`)
+          }
+        }
         if (!inputEl) { result.skipped++; continue }
         // 时间/日期字段走阶段A同款流程：直接点击 input → fillDatePicker，不经过 detectPickerField
         if (b2IsDateTimeLabel(field.label)) {
diff --git a/src/utils/delay.ts b/src/utils/delay.ts
index b37b616..b93fcc9 100644
--- a/src/utils/delay.ts
+++ b/src/utils/delay.ts
@@ -8,9 +8,9 @@ export type DelayLevel = "low" | "mid" | "high" | "max"
 
 /** 各等级对应的毫秒数（统一在此处调整） */
 const DELAY_MS: Record<DelayLevel, number> = {
-  low: 10,   // <100ms 场景：微等待，点击后极短暂停
-  mid: 50,  // 100~300ms 场景：等待 DOM 更新、弹出层渲染
-  high: 500, // >300ms 场景：等待接口返回、搜索结果、动画完成
+  low: 10,   // 原<100ms 场景：微等待，点击后极短暂停
+  mid: 30,  // 原100~300ms 场景：等待 DOM 更新、弹出层渲染
+  high: 500, // 原>300ms 场景：等待接口返回、搜索结果、动画完成
   max: 2000, // >2000ms 场景：特殊超长延时（谨慎使用）
 }