Form SC 13G/A Zhihu Inc. Filed by: Capital Today Evergreen Fund, L.P.

Rule 13d–1(b)

Rule 13d–1(c)

Rule 13d–1(d)

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

CUSIP number 98955N108 has been assigned to the American Depositary Shares (“ADSs”) of Zhihu Inc. (the “Issuer”), which are quoted on the New York Stock Exchange under the symbol “ZH.” Two ADSs represent one Class A ordinary share.

  Names of reporting persons

  CTG Evergreen Investment XX Limited

  Check the appropriate box if a member of a group (see instructions)

  (a)  ☐        (b)  ☐

  SEC use only

  Citizenship or place of organization

  British Virgin Islands

Number of

shares

 beneficially 

owned by

each

reporting

person

with:

  Sole voting power

  None

  Shared voting power

  None

  Sole dispositive power

  None

  Shared dispositive power

  None

  Aggregate amount beneficially owned by each reporting person

  None

  Check if the aggregate amount in Row (9) excludes certain shares (see instructions)

  Percent of class represented by amount in Row (9)

  0%

  Type of reporting person (see instructions)

  CO

  Names of reporting persons

  Capital Today Evergreen Fund, L.P.

  Check the appropriate box if a member of a group (see instructions)

  (a)  ☐        (b)  ☐

  SEC use only

  Citizenship or place of organization

  Cayman Islands

Number of

shares

 beneficially 

owned by

each

reporting

person

with:

  Sole voting power

  None

  Shared voting power

  None

  Sole dispositive power

  None

  Shared dispositive power

  None

  Aggregate amount beneficially owned by each reporting person

  None

  Check if the aggregate amount in Row (9) excludes certain shares (see instructions)

  Percent of class represented by amount in Row (9)

  0%

  Type of reporting person (see instructions)

  PN

  Names of reporting persons

  Capital Today Evergreen GenPar LTD.

  Check the appropriate box if a member of a group (see instructions)

  (a)  ☐        (b)  ☐

  SEC use only

  Citizenship or place of organization

  Cayman Islands

Number of

shares

 beneficially 

owned by

each

reporting

person

with:

  Sole voting power

  None

  Shared voting power

  None

  Sole dispositive power

  None

  Shared dispositive power

  None

  Aggregate amount beneficially owned by each reporting person

  None

  Check if the aggregate amount in Row (9) excludes certain shares (see instructions)

  Percent of class represented by amount in Row (9)

  0%

  Type of reporting person (see instructions)

  CO

  Names of reporting persons

  Xin Xu

  Check the appropriate box if a member of a group (see instructions)

  (a)  ☐        (b)  ☐

  SEC use only

  Citizenship or place of organization

  Hong Kong

Number of

shares

 beneficially 

owned by

each

reporting

person

with:

  Sole voting power

  None

  Shared voting power

  None

  Sole dispositive power

  None

  Shared dispositive power

  None

  Aggregate amount beneficially owned by each reporting person

  None

  Check if the aggregate amount in Row (9) excludes certain shares (see instructions)

  Percent of class represented by amount in Row (9)

  0%

  Type of reporting person (see instructions)

  IN

If this statement is filed pursuant to §§240.13d–1(b) or 240.13d–2(b) or (c), check whether the person filing is a:

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a–8);

An investment adviser in accordance with §240.13d–1(b)(1)(ii)(E);

An employee benefit plan or endowment fund in accordance with §240.13d–1(b)(1)(ii)(F);

A parent holding company or control person in accordance with §240.13d–1(b)(1)(ii)(G);

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a–3);

A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);

Group, in accordance with §240.13d–1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J), please specify the type of institution: ________________________________

Ownership

Ownership of 5 Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following [X ].

Ownership of More than 5 Percent on Behalf of Another Person.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Identification and Classification of Members of the Group.

Notice of Dissolution of Group.

Certifications

Signature:

CTG Evergreen Investment XX Limited

Capital Today Evergreen Fund, L.P.

Capital Today Evergreen GenPar LTD.

Xin Xu

/s/ Xin Xu