diff --git a/db/company_scope.go b/db/company_scope.go
index 236afa3..8fb8c08 100644
--- a/db/company_scope.go
+++ b/db/company_scope.go
@@ -152,8 +152,12 @@ func ParseAutoScopeLine(line string) (ParsedScope, error) {
 	if looksLikeDomain {
 		return ParseScopeLine(raw)
 	}
+	// 备案号本身不含点号（如 京ICP备12345678号-1）。带点的文本多半掺了域名或版本号，
+	// 按 ICP 存下来只会得到一条永远匹配不上任何资产的死规则 —— ICP 归属走的是精确
+	// 相等比较（见 companies.go 的 kind='icp' 归属查询），所以这类文本归为关键词。
 	lower := strings.ToLower(raw)
-	if strings.Contains(lower, "icp") || strings.Contains(raw, "备案") {
+	if !strings.ContainsAny(raw, ".．。") &&
+		(strings.Contains(lower, "icp") || strings.Contains(raw, "备案")) {
 		return ParseScopeInput(ScopeInput{Kind: "icp", Value: raw})
 	}
 	return ParseScopeInput(ScopeInput{Kind: "keyword", Value: raw})
diff --git a/db/company_scope_test.go b/db/company_scope_test.go
index f1be837..713938e 100644
--- a/db/company_scope_test.go
+++ b/db/company_scope_test.go
@@ -60,6 +60,11 @@ func TestParseAutoScopeLine(t *testing.T) {
 		{name: "icp chinese", input: "沪网备案 9988", kind: "icp", normalized: "沪网备案9988"},
 		{name: "icp domain", input: "icp.example.com", kind: "domain", normalized: "icp.example.com"},
 		{name: "icp url query", input: "https://example.com/path?icp=1", kind: "domain", normalized: "example.com"},
+		// 备案号不含点号：掺了域名/版本号的描述性文字归关键词，否则会存成一条
+		// 永远匹配不上的死 ICP 规则。
+		{name: "icp with domain text", input: "备案 www.example.com", kind: "keyword", normalized: "备案 www.example.com"},
+		{name: "icp with version text", input: "某公司 ICP v1.0", kind: "keyword", normalized: "某公司 icp v1.0"},
+		{name: "icp fullwidth dot", input: "备案 例．com", kind: "keyword", normalized: "备案 例．com"},
 		{name: "keyword", input: "  ACME   Security  ", kind: "keyword", normalized: "acme security"},
 		{name: "colon keyword", input: "ACME: Cloud: Security", kind: "keyword", normalized: "acme: cloud: security"},
 		{name: "empty", input: "  ", wantErr: true},