diff --git a/src/main/java/net/lamgc/cgj/bot/BotAdminCommandProcess.java b/src/main/java/net/lamgc/cgj/bot/BotAdminCommandProcess.java
index 9843a27..0717506 100644
--- a/src/main/java/net/lamgc/cgj/bot/BotAdminCommandProcess.java
+++ b/src/main/java/net/lamgc/cgj/bot/BotAdminCommandProcess.java
@@ -265,12 +265,13 @@ public class BotAdminCommandProcess {
                 pageQuality
         );
 
-        RandomIntervalSendTimer.createTimer(
+        RandomIntervalSendTimer timer = RandomIntervalSendTimer.createTimer(
                 id,
                 sender,
                 setting.get("time.min").getAsLong(),
                 setting.get("time.float").getAsInt(),
                 true, true);
+        log.info("群组 {} 已创建对应Timer: {}", id, Integer.toHexString(timer.hashCode()));
     }
 
     /**
diff --git a/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java b/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
index 1e91ed5..693ce69 100644
--- a/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
+++ b/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
@@ -1,5 +1,6 @@
 package net.lamgc.cgj.bot;
 
+import com.google.common.base.Throwables;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -120,7 +121,11 @@ public class RandomIntervalSendTimer extends TimerTask {
 
     @Override
     public void run() {
-        sender.send();
+        try {
+            sender.send();
+        } catch (Exception e) {
+            log.error("定时器 {} 执行时发生异常:\n{}", Integer.toHexString(this.hashCode()), Throwables.getStackTraceAsString(e));
+        }
         if (this.loop.get()) {
             start();
         }
diff --git a/src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java b/src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java
index 4ee9a19..3589eeb 100644
--- a/src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java
+++ b/src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java
@@ -319,12 +319,13 @@ public class PixivDownload {
             HttpGet request = createHttpGetRequest(PixivURL.getRankingLink(contentType, mode, time, pageIndex, true));
             log.debug("RequestUri: {}", request.getURI());
             HttpResponse response = httpClient.execute(request);
-
+            String responseBody = EntityUtils.toString(response.getEntity());
+            log.debug("ResponseBody: {}", responseBody);
             if(response.getStatusLine().getStatusCode() != 200) {
                 throw new IOException("Http Response Error: " + response.getStatusLine());
             }
 
-            JsonArray resultArray = gson.fromJson(EntityUtils.toString(response.getEntity()), JsonObject.class).getAsJsonArray("contents");
+            JsonArray resultArray = gson.fromJson(responseBody, JsonObject.class).getAsJsonArray("contents");
             for (int resultIndex = startIndex; resultIndex < resultArray.size() && count < range; resultIndex++, count++) {
                 results.add(resultArray.get(resultIndex).getAsJsonObject());
             }