diff --git a/CLAUDE.md b/CLAUDE.md
index 842ed50..324ae03 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -75,7 +75,7 @@ XuqmSDK.appKey                      // 当前 appKey
 // 平台配置自动初始化完成且宿主已取得隐私授权后：
 BugCollect.setLogLevel(LogLevel.INFO)
 BugCollect.setEnvironment("production")
-BugCollect.startCrashCapture()   // 开启 UncaughtExceptionHandler
+// Crash 捕获由平台开关、构建门禁和隐私授权共同驱动，宿主不手动控制。
 
 // 埋点
 BugCollect.event("page_view", mapOf("page" to "home"))
@@ -114,13 +114,9 @@ YwxMobileApp：`/Users/xuqinmin/Projects/TrustProjects/Pad/YwxMobileApp`
 
 ## 发版配置
 
-在 `gradle.properties` 中配置：
-```properties
-NEXUS_USER=your_username
-NEXUS_PASSWORD=your_password
-```
-
-发布至 `https://nexus.xuqinmin.com/repository/android-hosted/`，版本号在各模块 `build.gradle.kts` 中维护。
+发布凭据只由 Jenkins Credentials 或开发者本机未入库的 Gradle 属性提供，禁止写入仓库。
+制品发布至 `https://nexus.xuqinmin.com/repository/android-hosted/`，模块版本由根目录
+`gradle.properties` 的 `SDK_*_VERSION` 与 Jenkins 参数统一管理。
 
 ## 版本号与发布规则（严禁违反）
 
diff --git a/README.md b/README.md
index b5e5d20..560deab 100644
--- a/README.md
+++ b/README.md
@@ -195,8 +195,11 @@ val result = FileSDK.uploadBytes(
     onProgress = { progress -> },
 )
 
-// 上传 File 对象
-val result = FileSDK.upload(file = file)
+// 上传 File 对象；缩略图和进度回调均可省略
+val result = FileSDK.upload(
+    file = file,
+    onProgress = { progress -> /* 0–100 */ },
+)
 ```
 
 `FileUploadResult` 字段：`url`、`thumbnailUrl`、`hash`、`size`、`originalName`、`mimeType`、`ext`
diff --git a/sdk-bugcollect/README.md b/sdk-bugcollect/README.md
index dbb03f4..ec917a9 100644
--- a/sdk-bugcollect/README.md
+++ b/sdk-bugcollect/README.md
@@ -38,10 +38,11 @@ BugCollect.captureError(exception)
 |-----|------|
 | `BugCollect.setLogLevel(level)` | 设置日志级别（`DEBUG` / `INFO` / `WARN` / `ERROR`） |
 | `BugCollect.setEnvironment(env)` | 设置环境标签 |
+| `BugCollect.addBreadcrumb(category, message, level?, data?)` | 添加最近操作线索，最多保留 50 条 |
 | `BugCollect.event(name, properties?)` | 记录自定义事件 |
-| `BugCollect.captureError(error, metadata?)` | 上报异常 |
-| `BugCollect.warn(message, metadata?)` | 记录警告 |
-| `BugCollect.info(message, metadata?)` | 记录信息 |
+| `BugCollect.captureError(error, tags?, fingerprint?)` | 上报异常；可选传入业务标签或自定义聚合指纹 |
+| `BugCollect.warn(message, tags?)` | 记录警告 |
+| `BugCollect.info(message, tags?)` | 记录信息 |
 | `BugCollect.defineFunnel(id, steps)` | 定义漏斗 |
 
 ### LogLevel
@@ -55,7 +56,7 @@ enum class LogLevel { DEBUG, INFO, WARN, ERROR, NONE }
 - **运行门禁**：仅在平台启用且宿主已同意隐私时注册采集器
 - **LogQueue**：error/fatal 加密持久化，普通事件仅驻留内存；最多 500 条、保留 7 天
 - **CrashCapture**：捕获未处理 Java/Kotlin 异常，加密保存后在下次启动上传
-- **Fingerprint**：为错误生成指纹（基于 message + stack），服务端去重聚合
+- **Fingerprint**：基于异常类型、归一化 message 和首个业务堆栈生成指纹，服务端去重聚合
 - **FunnelTracker**：客户端维护漏斗进度，服务端跨 session 聚合
 
 ### 配置
diff --git a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/BugCollect.kt b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/BugCollect.kt
index 5af22e5..3386f6d 100644
--- a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/BugCollect.kt
+++ b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/BugCollect.kt
@@ -147,35 +147,6 @@ object BugCollect {
         return true
     }
 
-    fun captureCrash(error: Throwable, tags: Map<String, Any?> = emptyMap()) {
-        // SDK 未初始化时直接返回，崩溃事件无法缓存
-        if (!XuqmSDK.isInitialized() || !isReady()) return
-        val crumbs = synchronized(breadcrumbLock) { breadcrumbBuffer.toList() }
-        enqueue(IssueEvent(
-            level = "fatal",
-            platform = "android",
-            fingerprint = Fingerprint.compute(
-                error.javaClass.simpleName,
-                DataSanitizer.sanitizeText(error.message ?: error.javaClass.name),
-                DataSanitizer.sanitizeText(error.stackTraceToString()),
-            ),
-            appKey = XuqmSDK.appKey,
-            exception = IssueEvent.ExceptionInfo(
-                type = error.javaClass.simpleName,
-                value = DataSanitizer.sanitizeText(error.message ?: error.javaClass.name),
-                stacktrace = DataSanitizer.sanitizeText(error.stackTraceToString()),
-            ),
-            breadcrumbs = crumbs,
-            release = appVersion(),
-            buildId = buildId(),
-            environment = environment,
-            userId = XuqmSDK.getUserId() ?: XuqmSDK.deviceId,
-            user = IssueEvent.UserInfo(id = XuqmSDK.getUserId() ?: XuqmSDK.deviceId),
-            device = buildDeviceInfo(),
-            tags = DataSanitizer.sanitizeMap(tags),
-        ))
-    }
-
     fun warn(message: String, tags: Map<String, Any?> = emptyMap()) {
         if (logLevel.ordinal > LogLevel.WARN.ordinal) return
         if (!isReady()) return
@@ -202,8 +173,8 @@ object BugCollect {
         event("__log_info", tags + ("message" to message))
     }
 
-    /** 注册全局崩溃拦截器（幂等）；未满足运行条件时不会启动。 */
-    fun startCrashCapture() {
+    /** SDK 状态同步时注册全局崩溃拦截器；宿主无需也不能手动控制生命周期。 */
+    private fun startCrashCapture() {
         if (crashCaptureStarted) return
         if (!isReady()) return
         runCatching {
@@ -241,11 +212,6 @@ object BugCollect {
         queue?.clearUserContext()
     }
 
-    /** 上传上次崩溃的加密持久化记录。 */
-    fun uploadPendingCrashes() {
-        if (isReady()) runCatching { queue().uploadPendingCrashes() }
-    }
-
     fun defineFunnel(id: String, steps: List<String>) {
         FunnelTracker.define(id, steps)
     }
diff --git a/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/FingerprintTest.kt b/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/FingerprintTest.kt
new file mode 100644
index 0000000..ffeb518
--- /dev/null
+++ b/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/FingerprintTest.kt
@@ -0,0 +1,33 @@
+package com.xuqm.sdk.bugcollect
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotEquals
+import org.junit.Test
+
+class FingerprintTest {
+    @Test
+    fun `same error ignores long numeric identifiers and later stack frames`() {
+        val first = Fingerprint.compute(
+            "IllegalStateException",
+            "order 202607280001 failed",
+            "at com.example.Order.submit(Order.kt:12)\nat kotlinx.coroutines.Worker.run(Worker.kt:20)",
+        )
+        val second = Fingerprint.compute(
+            "IllegalStateException",
+            "order 202607289999 failed",
+            "at com.example.Order.submit(Order.kt:12)\nat kotlinx.coroutines.Other.run(Other.kt:99)",
+        )
+
+        assertEquals(first, second)
+    }
+
+    @Test
+    fun `exception type remains part of grouping identity`() {
+        val stack = "at com.example.Order.submit(Order.kt:12)"
+
+        assertNotEquals(
+            Fingerprint.compute("IllegalStateException", "failed", stack),
+            Fingerprint.compute("IllegalArgumentException", "failed", stack),
+        )
+    }
+}
diff --git a/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/PublicBridgeApiTest.kt b/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/PublicBridgeApiTest.kt
index 1e4bb6b..e9d1e85 100644
--- a/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/PublicBridgeApiTest.kt
+++ b/sdk-bugcollect/src/test/java/com/xuqm/sdk/bugcollect/PublicBridgeApiTest.kt
@@ -14,5 +14,8 @@ class PublicBridgeApiTest {
         assertFalse("onSdkLogin" in methods)
         assertFalse("onSdkLogout" in methods)
         assertFalse("sendDeveloperTestOnce" in methods)
+        assertFalse("captureCrash" in methods)
+        assertFalse("startCrashCapture" in methods)
+        assertFalse("uploadPendingCrashes" in methods)
     }
 }
diff --git a/sdk-core/README.md b/sdk-core/README.md
index 251e337..7530b85 100644
--- a/sdk-core/README.md
+++ b/sdk-core/README.md
@@ -35,7 +35,7 @@ Ed25519 签名，再解密引导配置。V1、未知 keyId、签名错误和包
 |-----|------|
 | `XuqmSDK.awaitInitialization()` | 等待平台配置拉取（coroutine） |
 | `XuqmSDK.isInitialized()` | 检查是否已初始化 |
-| `XuqmSDK.initializationStatus` | `IDLE / INITIALIZING / READY / DEGRADED / FAILED` |
+| `XuqmSDK.initializationStatus` | 初始化快照；通过 `.state` 读取 `IDLE / INITIALIZING / READY / DEGRADED / FAILED`，失败原因位于 `.error` |
 | `XuqmSDK.setPrivacyConsent(granted)` | 同步宿主隐私授权；SDK 不自行弹窗 |
 | `XuqmSDK.setUserInfo(info)` | 设置用户信息，触发所有子模块登录 |
 | `XuqmSDK.setUserInfo(null)` | 登出，触发全局登出 |