fix: 敏感词库为空时，不检测

service/sensitive.go

@@ -10,6 +10,9 @@ import (
 
 // SensitiveWordContains 是否包含敏感词，返回是否包含敏感词和敏感词列表
 func SensitiveWordContains(text string) (bool, []string) {
+	if len(constant.SensitiveWords) == 0 {
+		return false, nil
+	}
 	checkText := strings.ToLower(text)
 	// 构建一个AC自动机
 	m := initAc()
@@ -26,6 +29,9 @@ func SensitiveWordContains(text string) (bool, []string) {
 
 // SensitiveWordReplace 敏感词替换，返回是否包含敏感词和替换后的文本
 func SensitiveWordReplace(text string, returnImmediately bool) (bool, []string, string) {
+	if len(constant.SensitiveWords) == 0 {
+		return false, nil, text
+	}
 	checkText := strings.ToLower(text)
 	m := initAc()
 	hits := m.MultiPatternSearch([]rune(checkText), returnImmediately)