diff --git a/doc/README.txt b/doc/README.txt
index d60a57d..477542d 100644
--- a/doc/README.txt
+++ b/doc/README.txt
@@ -36,4 +36,8 @@ config.json常用设置
 例 略
 
 5. 如果有多个条件，请分别填上
-例 "room": [3, 4],"round": [8],"timeafter": "2019-02-02 00:00:00" 分析在19年2月2日以后打的金场南风及玉场南风
\ No newline at end of file
+例 "room": [3, 4],"round": [8],"timeafter": "2019-02-02 00:00:00" 分析在19年2月2日以后打的金场南风及玉场南风
+
+6. 更多配置请参考https://github.com/zyr17/MajsoulPaipuAnalyzer/blob/master/doc/config.md
+
+7. 若在文件中添加了中文（如name中使用了中文字符串），请确保文件以UTF-8编码保存。例如对于Windows记事本需要另存为并在下方编码选择UTF-8。
\ No newline at end of file
diff --git a/doc/release-notes.txt b/doc/release-notes.txt
index 6411ad6..bffeb42 100644
--- a/doc/release-notes.txt
+++ b/doc/release-notes.txt
@@ -1,5 +1,7 @@
 0.2.4
 1.PaipuAnalyzer运行速度优化
+2.支持UTF-8 with BOM的json数据
+3.增强错误收集功能
 
 0.2.3
 1.重构analyzer.cpp代码
diff --git a/lib/majsoul/analyze.js b/lib/majsoul/analyze.js
index ee42a8d..3dbaa32 100644
--- a/lib/majsoul/analyze.js
+++ b/lib/majsoul/analyze.js
@@ -101,13 +101,27 @@ function getstring(arr, start, length){
 
 function analyzelogin(sender, arr, start){
     if (arr[start] != 0x12){
-        console.error('in analyzelogin: not start with 0x12');
+        reporterror({
+            position: 'analyzelogin',
+            message: 'in analyzelogin: not start with 0x12',
+            data: {
+                arr: arr.slice(0, arr.length - 36),//为安全考虑，不上传最后36字节的access_token
+                start
+            }
+        });
         return;
     }
     let length;
     [length, start] = getnumber(arr, start + 1);
     if (arr[start] != 0x10){
-        console.error('in analyzelogin: not start with 0x10');
+        reporterror({
+            position: 'analyzelogin',
+            message: 'in analyzelogin: not start with 0x10',
+            data: {
+                arr: arr.slice(0, arr.length - 36),//为安全考虑，不上传最后36字节的access_token
+                start
+            }
+        });
         return;
     }
     [length, start] = getnumber(arr, start + 1);
@@ -116,7 +130,14 @@ function analyzelogin(sender, arr, start){
 
 function analyzepaipu(arr, start){
     if (arr[start] != 0x12){
-        console.error('in analyzepaipu: not start with 0x12');
+        reporterror({
+            position: 'analyzepaipu',
+            message: 'in analyzepaipu: not start with 0x12',
+            data: {
+                arr,
+                start
+            }
+        });
         return;
     }
     let length;
@@ -492,7 +513,14 @@ function analyze(sender, data){
         let number = arr8[1] + arr8[2] * 256;
         let req = clientrequest[number];
         if (req == undefined){
-            console.error('request not find');
+            reporterror({
+                position: 'analyze',
+                message: 'request not find',
+                data: {
+                    servernumber: number,
+                    clientrequest
+                }
+            });
             return;
         }
         if (req == '.lq.Lobby.oauth2Login'){
diff --git a/src/algo.cpp b/src/algo.cpp
index c240d32..959594c 100644
--- a/src/algo.cpp
+++ b/src/algo.cpp
@@ -343,6 +343,7 @@ CJsonObject ReadJSON(const std::string &filename){
     }
     delete[] buffer;
     fclose(f);
+    if ((unsigned char)jsonstr[0] == 0xef && (unsigned char)jsonstr[1] == 0xbb && (unsigned char)jsonstr[2] == 0xbf) jsonstr.erase(0, 3);
     return CJsonObject(jsonstr);
 }
 
@@ -355,6 +356,7 @@ std::vector<CJsonObject> ReadLineJSON(const std::string &filename, const std::st
         if (fgets(buf, JSONBUFFERSIZE, f) == NULL) break;
         ts += buf;
         ts += suffix;
+        if ((unsigned char)ts[0] == 0xef && (unsigned char)ts[1] == 0xbb && (unsigned char)ts[2] == 0xbf) ts.erase(0, 3);
         res.push_back(CJsonObject(ts));
     }
     fclose(f);