blockip/src/ban.c

@@ -281,8 +281,16 @@ void show_persist_list(void) {
     msg(C_CYAN, "=== 📋 本地持久化封禁列表 ===");
     
     FILE *fp = fopen(PERSIST_FILE, "r");
-    if (!fp || fseek(fp, 0, SEEK_END) == 0) {
-        if (fp) fclose(fp);
+    if (!fp) {
+        printf("(暂无持久化记录)\n");
+        return;
+    }
+    
+    /* 检查文件是否为空 */
+    fseek(fp, 0, SEEK_END);
+    long file_size = ftell(fp);
+    if (file_size <= 0) {
+        fclose(fp);
         printf("(暂无持久化记录)\n");
         return;
     }

blockip/src/stats.c

@@ -186,11 +186,32 @@ void show_subnet_aggregation(void) {
         }
     }
     
-    /* 输出聚合结果，只显示count>=2的 */
+    /* 输出聚合结果，只显示count>=2的，并去重：如果大段和小段数量相同则只显示小段 */
     bool has_output = false;
     int show_count = 0;
     for (int i = 0; i < agg_count && show_count < 10; ++i) {
         if (agg[i].count >= 2) {
+            /* 检查是否有更小掩码的段具有相同count */
+            bool skip = false;
+            if (agg[i].mask == 8) {
+                for (int j = 0; j < agg_count; ++j) {
+                    if (agg[j].mask > 8 && agg[j].count == agg[i].count && 
+                        strncmp(agg[j].subnet, agg[i].subnet, strlen(agg[i].subnet)) == 0) {
+                        skip = true;
+                        break;
+                    }
+                }
+            } else if (agg[i].mask == 16) {
+                for (int j = 0; j < agg_count; ++j) {
+                    if (agg[j].mask > 16 && agg[j].count == agg[i].count && 
+                        strncmp(agg[j].subnet, agg[i].subnet, strlen(agg[i].subnet)) == 0) {
+                        skip = true;
+                        break;
+                    }
+                }
+            }
+            
+            if (!skip) {
                 has_output = true;
                 if (agg[i].mask == 8) {
                     printf("  - %-18s %s(%d 个)%s\n", 
@@ -205,6 +226,7 @@ void show_subnet_aggregation(void) {
                 show_count++;
             }
         }
+    }
     
     if (!has_output) {
         printf("  - (散乱分布 IPv4)\n");