diff --git a/advisors/check_upstream.py b/advisors/check_upstream.py
index 873c614bc68bc1d7e3a6442592b677e776bb4763..2326dae5169003a12d496ff9ececd3f757728920 100755
--- a/advisors/check_upstream.py
+++ b/advisors/check_upstream.py
@@ -60,7 +60,7 @@ def clean_tags(tags, info):
         separator_regex = re.compile(info["seperator"])
         result_list = [separator_regex.sub(".", x) for x in result_list]
 
-    result_list = [x for x in result_list if len(x) > 0 and x[0].isdigit()]
+    result_list = [x for x in result_list if x and x[0].isdigit()]
     
     return result_list
 
diff --git a/advisors/helper/version_exceptions.yaml b/advisors/helper/version_exceptions.yaml
index fcf6f7b0767b0f820fe265e937a30b299fc7b29e..5fe4f2665fafff2cf6fe0d59a17ed417e1b24c85 100644
--- a/advisors/helper/version_exceptions.yaml
+++ b/advisors/helper/version_exceptions.yaml
@@ -23,3 +23,7 @@ sombok:
 shadow:
     - '1999'
     - '2000'
+gmp:
+    - '2v0v2'
+    - '2v0v1'
+    - '2v0'
diff --git a/advisors/version_recommend.py b/advisors/version_recommend.py
index 49bed968cc35401f4bb5569d9a885a8110044296..f59b589ba09a84e19ea48b765531e618e0e1f9fc 100755
--- a/advisors/version_recommend.py
+++ b/advisors/version_recommend.py
@@ -329,6 +329,8 @@ class VersionTypeXYZ(VersionType):
 
         version_candidate = []
         version_digital = re.split(r'[._-]', current_version)  # 将版本号做拆分
+        if len(version_entry) <= 1:  # 如果当前版本号仅一位，不能判断维护版本号
+            return '.'.join(version_digital)
         xy = version_digital[0:2]
         for version in version_entry:
             version_temp = re.split(r'[._-]', version)
@@ -387,6 +389,8 @@ class VersionTypeXYZ(VersionType):
 
         version_candidate.clear()
         for version in version_list:  # 将第二位最大的列入候选列表,准备第三位比较
+            if len(version) <= 1:  # 过滤仅一位的版本号
+                continue
             if y == version[1]:
                 version_candidate.append(version)
 
diff --git a/upstream-info/gnu-free-fonts.yaml b/upstream-info/gnu-free-fonts.yaml
index 05e75a6ed11096118dfaff605f90fd367acff43d..48ad14742fecd0a5ee25820d2839ec7864323b7c 100644
--- a/upstream-info/gnu-free-fonts.yaml
+++ b/upstream-info/gnu-free-fonts.yaml
@@ -1,4 +1,4 @@
 version_control: NA
-src_repo: https://svn.savannah.gnu.org/viewvc/freefont
+src_repo: http://svn.savannah.gnu.org/svn/freefont
 tag_repo: RELEASE_
 separator: .
diff --git a/upstream-info/netpbm.yaml b/upstream-info/netpbm.yaml
index fc6523cf801d70603a9fc93e9548d335f6464a9b..b4dcc7793680d22d94a961fcab356ad35bd101a1 100644
--- a/upstream-info/netpbm.yaml
+++ b/upstream-info/netpbm.yaml
@@ -2,4 +2,4 @@ version_control: svn
 src_repo: https://svn.code.sf.net/p/netpbm/code
 tag_dir: release_number
 tag_prefix: ^v
-separator: .
+separator: .
\ No newline at end of file
diff --git a/upstream-info/pcre.yaml b/upstream-info/pcre.yaml
index 4f8d561c2aab4fd8e4a1f643d11a5abb5f2a6a0f..aa8c3914d5462122c0bfa66ed06ee180bfc859d8 100644
--- a/upstream-info/pcre.yaml
+++ b/upstream-info/pcre.yaml
@@ -1,4 +1,4 @@
 version_control: svn
-src_repo: svn://vcs.pcre.org/pcre/code/trunk
+src_repo: svn://vcs.pcre.org/pcre/code
 tag_prefix: pcre-
 seperator: .
diff --git a/upstream-info/postgresql-odbc.yaml b/upstream-info/postgresql-odbc.yaml
index 4053ddb75de5576fc405a3dc6cde2559c3338acd..58d4cb41d42da50a6c14cbbd97b378b2b575b711 100644
--- a/upstream-info/postgresql-odbc.yaml
+++ b/upstream-info/postgresql-odbc.yaml
@@ -1,4 +1,4 @@
 version_control: git
-src_repo: https://git.postgresql.org/gitweb/?p=psqlodbc.git
-tag_prefix: "^v"
-seperator: "."
+src_repo: https://git.postgresql.org/git/psqlodbc.git
+tag_prefix: "^REL-"
+seperator: "_"
diff --git a/upstream-info/psacct.yaml b/upstream-info/psacct.yaml
index 07c767a511157ebb8754aefe2788cae08d230d13..75eedd6fb0655a874ffb9b6129b08052c11488a0 100644
--- a/upstream-info/psacct.yaml
+++ b/upstream-info/psacct.yaml
@@ -1,4 +1,5 @@
-version_control: svn
-src_repo: http://svn.savannah.gnu.org/svn/acct/
-tag_prefix: ^
-seperator: .
+version_control: gnu-ftp
+src_repo: acct
+tag_pattern: acct-(.*).tar.gz(.sig)?
+seperator: "."
+svn_url: http://svn.savannah.gnu.org/svn/acct/