fix many bug

Html/db/data/user/10235101415.json

@@ -0,0 +1 @@
+{"username": "10235101415"}

Html/db/data/user/32413421.json

@@ -0,0 +1 @@
+{"username": "32413421"}

Html/db/data/user/Agnes.json

@@ -0,0 +1 @@
+{"username": "Agnes"}

Html/db/data/user/Beaver.json

@@ -0,0 +1 @@
+{"username": "Beaver"}

Html/db/data/user/Deralive.json

@@ -0,0 +1 @@
+{"username": "Deralive"}

Html/db/data/user/Houyingxu.json

@@ -0,0 +1 @@
+{"username": "Houyingxu"}

Html/db/data/user/Raigty.json

@@ -0,0 +1 @@
+{"username": "Raigty"}

Html/db/data/user/Ttt.json

@@ -0,0 +1 @@
+{"username": "Ttt"}

Html/db/data/user/agnes.json

@@ -0,0 +1 @@
+{"username": "agnes"}

Html/db/data/user/hli28146.json

@@ -0,0 +1 @@
+{"username": "hli28146"}

Html/db/data/user/ww.json

@@ -0,0 +1 @@
+{"username": "ww"}