因为银行账单上资金不足28天，续签被拒了。因为上诉可以不留拒签记录，而且收到refusal的时候以前的签证已经过期，所以选择appeal。（有人类似的情况选择直接重签的也通过了）
上诉的过程其实挺简单，一步一步的做好的话，特别是账单这种小错误；虽然期间会很提心吊胆很久。貌似一般情况没必要找律师，或者找律师咨询一下意见但不要让他代表你上庭（那样貌似要2000镑左右，还不如回国待一阵呢……）
因为我是银行账单问题， 所以在上诉材料里补了两张账单，证明我当时其实是够28天的，然后hearing 过程很简单，法官也很直接的说allowed，然后大概2周时间会收到正式的邮件
最后附上自己写的witness statement：
IN THE MATTER OF AN APPEAL TO THE FIRST-TIER TRIBUNAL BETWEEN:
Appellant: Mr XX
and
Respondent: Secretary of State
Appeal No: IA/56432/2011
HO Ref: Q1034567
Witness Statement of Mr XX
-
I live at XX and am the Appellant in this case. I make this statement in support of my appeal against a decision of the Secretary of State who refused my application for further leave to remain in the UK as a Tier 4 (General) Student Migrant under the Points Based System on 15th December 2010. This statement is true to the best of my knowledge and belief.
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The Secretary of State decided that I had successfully claimed the 30 points for having a valid confirmation of acceptance for studies, yet failed to claim the 10 points for maintenance.
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As a recent student in the UK, the amount of money I had to show was 1200 Pounds Sterling, of which XX Pounds is for the course fee and 1,200 Pounds is for my living cost.
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The evidence of money I submitted for my visa application was two bank statements covering from 8th September to 4th October 2010, showing a balance of about 000 Pounds Sterling in average. (Refer to Bundle Page 1-2)
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As the closing date of the bank statements submitted is dated 4th October 2010, I was supposed to show evidence of maintenance for 28 days from 7th September 2010 to 4th September 2010. As a result of one day missing out, the Secretary of State decided that I did not demonstrate that I had the level of funds required.
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I think this one day missing out was a result of a genuine oversight. Also, the bank statements I submitted were the only ones my bank had sent me at the time I made my application, and I had to make my application before 31st October 2010.
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Actually, I had an amount of about 000 Pounds in my current account since 2nd September 2010 until 15th October. Thus, I did have sufficient fund that covered more than 28 consecutive day period and evidence of this has been provided. (Refer to Bundle Page 3-4)
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A fee statement from the University of XX can show that I have already paid two thirds of my tuition fee. The fees are paid by instalment. (Refer to Bundle Page 5)
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I believe that the facts stated in this witness statement are true.
Mr XX
Date: 10th February 2011
Signature: