diff --git a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/BugCollectInitProvider.kt b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/BugCollectInitProvider.kt
index d139c78..0dc9fd1 100644
--- a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/BugCollectInitProvider.kt
+++ b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/BugCollectInitProvider.kt
@@ -40,7 +40,12 @@ internal class BugCollectInitProvider : ContentProvider() {
 
         // ── Phase 1: 立即注册崩溃拦截，落盘不需要远端配置 ──────────────────────
         val logApiUrl = XuqmSDK.bugCollectApiUrl
-            ?: (XuqmSDK.platformUrl.trimEnd('/') + "/api/bugcollect/")
+            ?: deriveFallbackUrl()
+
+        if (logApiUrl.isBlank()) {
+            Log.w("BugCollect", "Crash capture skipped: no URL available (update sdk-core to latest SNAPSHOT)")
+            return true
+        }
 
         CrashCapture.start(
             appContext = ctx,
@@ -55,6 +60,17 @@ internal class BugCollectInitProvider : ContentProvider() {
         return true
     }
 
+    /**
+     * 从 XuqmSDK.platformUrl 派生兜底地址。
+     * 用 try-catch 保护：旧版 sdk-core 没有此属性时返回空串，让调用方跳过。
+     */
+    private fun deriveFallbackUrl(): String = runCatching {
+        XuqmSDK.platformUrl.trimEnd('/') + "/api/bugcollect/"
+    }.getOrElse { e ->
+        Log.w("BugCollect", "Cannot derive bugcollect URL (sdk-core may be outdated): ${e.message}")
+        ""
+    }
+
     private fun uploadAfterInit(ctx: Context) {
         CoroutineScope(SupervisorJob() + Dispatchers.IO).launch {
             runCatching {