diff --git a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/LogUploader.kt b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/LogUploader.kt
index 0aa94e5..150277a 100644
--- a/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/LogUploader.kt
+++ b/sdk-bugcollect/src/main/java/com/xuqm/sdk/bugcollect/internal/LogUploader.kt
@@ -3,6 +3,7 @@ package com.xuqm.sdk.bugcollect.internal
 import android.util.Log
 import com.xuqm.sdk.bugcollect.IssueEvent
 import com.xuqm.sdk.bugcollect.LogEvent
+import com.xuqm.sdk.XuqmSDK
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -26,9 +27,17 @@ internal object LogUploader {
 
     private val JSON_MEDIA = "application/json; charset=utf-8".toMediaType()
 
+    /** 将相对路径补全为绝对 URL（基于平台地址）。 */
+    private fun resolveUrl(path: String): String {
+        val trimmed = path.trimEnd('/')
+        if (trimmed.startsWith("http://") || trimmed.startsWith("https://")) return trimmed
+        val base = XuqmSDK.platformUrl.trimEnd('/')
+        return "$base/${trimmed.trimStart('/')}"
+    }
+
     fun uploadIssues(logApiUrl: String, issues: List<IssueEvent>) {
         if (issues.isEmpty()) return
-        val url = "${logApiUrl.trimEnd('/')}/bugcollect/v1/issues/batch"
+        val url = "${resolveUrl(logApiUrl)}/bugcollect/v1/issues/batch"
         val envelope = createEnvelope()
         val events = JSONArray()
         for (issue in issues) {
@@ -40,7 +49,7 @@ internal object LogUploader {
 
     fun uploadEvents(logApiUrl: String, events: List<LogEvent>) {
         if (events.isEmpty()) return
-        val url = "${logApiUrl.trimEnd('/')}/bugcollect/v1/events/batch"
+        val url = "${resolveUrl(logApiUrl)}/bugcollect/v1/events/batch"
         val envelope = createEnvelope()
         val eventsArray = JSONArray()
         for (event in events) {
@@ -51,7 +60,7 @@ internal object LogUploader {
     }
 
     fun uploadIssue(logApiUrl: String, issue: IssueEvent) {
-        val url = "${logApiUrl.trimEnd('/')}/bugcollect/v1/issues/batch"
+        val url = "${resolveUrl(logApiUrl)}/bugcollect/v1/issues/batch"
         val envelope = createEnvelope()
         val events = JSONArray().put(issueToJson(issue))
         envelope.put("events", events)