diff --git a/webapp/models/FragmentPool.php b/webapp/models/FragmentPool.php
index 7b2b204e..4fa87264 100644
--- a/webapp/models/FragmentPool.php
+++ b/webapp/models/FragmentPool.php
@@ -16,7 +16,6 @@ class FragmentPool extends BaseModel {
             self::decNum($fragmentId);
             return $fragmentId;
         }
-        return 110101;
         return 0;
     }
 
@@ -29,7 +28,6 @@ class FragmentPool extends BaseModel {
             self::decNum($fragmentId);
             return $fragmentId;
         }
-        return 110121;
         return 0;
     }
 
@@ -40,7 +38,6 @@ class FragmentPool extends BaseModel {
         foreach ($items as $item) {
             $num += $item['fragment_num'];
         }
-        return 100;
         return $num;
     }
 
@@ -51,7 +48,6 @@ class FragmentPool extends BaseModel {
         foreach ($items as $item) {
             $num += $item['fragment_num'];
         }
-        return 100;
         return $num;
     }
 
@@ -91,6 +87,9 @@ class FragmentPool extends BaseModel {
                  'fragment_num' => function () {
                      return 'GREATEST(0, fragment_num - 1)';
                  },
+                 'alloced_num' => function () {
+                     return 'alloced_num + 1';
+                 }
              )
             );
     }