diff --git a/backend/alembic/versions/20260813_0008_remove_issuer_fields.py b/backend/alembic/versions/20260813_0008_remove_issuer_fields.py
new file mode 100644
index 0000000..201da26
--- /dev/null
+++ b/backend/alembic/versions/20260813_0008_remove_issuer_fields.py
@@ -0,0 +1,31 @@
+"""remove unused issuer fields
+
+Revision ID: 20260813_0008
+Revises: 20260813_0007
+Create Date: 2026-08-13
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "20260813_0008"
+down_revision = "20260813_0007"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.drop_column("certificates", "issuer_name")
+    op.drop_column("project_courses", "default_issuer_name")
+
+
+def downgrade() -> None:
+    op.add_column(
+        "project_courses",
+        sa.Column("default_issuer_name", sa.String(length=128), nullable=False, server_default=""),
+    )
+    op.add_column(
+        "certificates",
+        sa.Column("issuer_name", sa.String(length=128), nullable=False, server_default=""),
+    )
diff --git a/backend/app/api/routes/admin_certificates.py b/backend/app/api/routes/admin_certificates.py
index ed51a5b..4d68027 100644
--- a/backend/app/api/routes/admin_certificates.py
+++ b/backend/app/api/routes/admin_certificates.py
@@ -91,7 +91,6 @@ def create_certificate(
         course_start_date=payload.course_start_date,
         course_end_date=payload.course_end_date,
         issue_date=payload.issue_date,
-        issuer_name=project.default_issuer_name,
         template_code=template_code,
         remark=payload.remark,
     )
@@ -178,7 +177,6 @@ def _certificate_payload(certificate: Certificate, learner: Learner | None = Non
         "course_start_date": certificate.course_start_date,
         "course_end_date": certificate.course_end_date,
         "issue_date": certificate.issue_date,
-        "issuer_name": certificate.issuer_name,
         "template_code": certificate.template_code,
         "status": certificate.status,
         "pdf_status": certificate.pdf_status,
@@ -249,7 +247,6 @@ def preview_certificate(
         "course_start_date": certificate.course_start_date.isoformat() if certificate.course_start_date else None,
         "course_end_date": certificate.course_end_date.isoformat() if certificate.course_end_date else None,
         "issue_date": certificate.issue_date.isoformat(),
-        "issuer_name": certificate.issuer_name,
         "template_code": certificate.template_code,
         "status": certificate.status,
         "public_url": f"/cert/{public_token.token_value}" if public_token else "",
diff --git a/backend/app/api/routes/admin_imports.py b/backend/app/api/routes/admin_imports.py
index 422e038..80110b7 100644
--- a/backend/app/api/routes/admin_imports.py
+++ b/backend/app/api/routes/admin_imports.py
@@ -220,7 +220,6 @@ def confirm_import_batch(
             course_start_date=course_start_date,
             course_end_date=course_end_date,
             issue_date=issue_date,
-            issuer_name=project.default_issuer_name,
             template_code=batch.template_code,
             remark=None,
         )
diff --git a/backend/app/api/routes/admin_projects.py b/backend/app/api/routes/admin_projects.py
index fc49997..4594107 100644
--- a/backend/app/api/routes/admin_projects.py
+++ b/backend/app/api/routes/admin_projects.py
@@ -37,7 +37,6 @@ def create_project(
         default_certificate_name=payload.name,
         default_course_name=payload.default_course_name,
         default_stage_name=payload.default_stage_name,
-        default_issuer_name=payload.default_issuer_name,
         default_template_code=template_code,
     )
     db.add(project)
@@ -61,7 +60,6 @@ def update_project(
         "name": project.name,
         "default_course_name": project.default_course_name,
         "default_stage_name": project.default_stage_name,
-        "default_issuer_name": project.default_issuer_name,
         "default_template_code": project.default_template_code,
         "status": project.status,
     }
@@ -72,8 +70,6 @@ def update_project(
         project.default_course_name = payload.default_course_name
     if payload.default_stage_name is not None:
         project.default_stage_name = payload.default_stage_name
-    if payload.default_issuer_name is not None:
-        project.default_issuer_name = payload.default_issuer_name
     if payload.default_template_code is not None:
         try:
             template_code = get_certificate_template(payload.default_template_code).code
@@ -86,7 +82,6 @@ def update_project(
         "name": project.name,
         "default_course_name": project.default_course_name,
         "default_stage_name": project.default_stage_name,
-        "default_issuer_name": project.default_issuer_name,
         "default_template_code": project.default_template_code,
         "status": project.status,
     }
diff --git a/backend/app/api/routes/public.py b/backend/app/api/routes/public.py
index fd189f3..cba23d5 100644
--- a/backend/app/api/routes/public.py
+++ b/backend/app/api/routes/public.py
@@ -179,7 +179,6 @@ def public_certificate_payload(db: Session, certificate: Certificate, learner: L
         "course_start_date": certificate.course_start_date.isoformat() if certificate.course_start_date else None,
         "course_end_date": certificate.course_end_date.isoformat() if certificate.course_end_date else None,
         "issue_date": certificate.issue_date.isoformat(),
-        "issuer_name": certificate.issuer_name,
         "template_code": certificate.template_code,
         "status": certificate.status,
         "pdf_status": certificate.pdf_status,
diff --git a/backend/app/db/init_db.py b/backend/app/db/init_db.py
index 5a60ce0..24b2c47 100644
--- a/backend/app/db/init_db.py
+++ b/backend/app/db/init_db.py
@@ -36,7 +36,6 @@ def seed_defaults(db: Session, admin_username: str, admin_password: str) -> None
                     default_certificate_name="培训结业证书",
                     default_course_name=name,
                     default_stage_name=None,
-                    default_issuer_name="本公司",
                     default_template_code="classic",
                 )
             )
diff --git a/backend/app/models/certificate.py b/backend/app/models/certificate.py
index d91255d..584cf08 100644
--- a/backend/app/models/certificate.py
+++ b/backend/app/models/certificate.py
@@ -15,7 +15,6 @@ class ProjectCourse(Base):
     default_certificate_name: Mapped[str] = mapped_column(String(128), default="培训结业证书")
     default_course_name: Mapped[str | None] = mapped_column(String(128), nullable=True)
     default_stage_name: Mapped[str | None] = mapped_column(String(128), nullable=True)
-    default_issuer_name: Mapped[str] = mapped_column(String(128), default="本公司")
     default_template_code: Mapped[str] = mapped_column(String(32), default="classic")
     status: Mapped[str] = mapped_column(String(32), default="active")
     created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
@@ -37,7 +36,6 @@ class Certificate(Base):
     course_start_date: Mapped[date | None] = mapped_column(Date, nullable=True)
     course_end_date: Mapped[date | None] = mapped_column(Date, nullable=True)
     issue_date: Mapped[date] = mapped_column(Date)
-    issuer_name: Mapped[str] = mapped_column(String(128))
     template_code: Mapped[str] = mapped_column(String(32), default="classic", index=True)
     status: Mapped[str] = mapped_column(String(32), default="valid")
     pdf_status: Mapped[str] = mapped_column(String(32), default="not_generated")
diff --git a/backend/app/schemas/certificate.py b/backend/app/schemas/certificate.py
index 6b1c66d..c0750ab 100644
--- a/backend/app/schemas/certificate.py
+++ b/backend/app/schemas/certificate.py
@@ -44,7 +44,6 @@ class CertificateOut(BaseModel):
     course_start_date: date | None
     course_end_date: date | None
     issue_date: date
-    issuer_name: str
     template_code: str
     status: str
     pdf_status: str
diff --git a/backend/app/schemas/project.py b/backend/app/schemas/project.py
index 3a9d9c0..d9c5201 100644
--- a/backend/app/schemas/project.py
+++ b/backend/app/schemas/project.py
@@ -9,7 +9,6 @@ class ProjectCourseCreate(BaseModel):
     default_certificate_name: str | None = Field(default=None, max_length=128)
     default_course_name: str | None = Field(default=None, max_length=128)
     default_stage_name: str | None = Field(default=None, max_length=128)
-    default_issuer_name: str = Field(default="本公司", min_length=1, max_length=128)
     default_template_code: str = Field(default="classic", min_length=1, max_length=32)
 
     @field_validator("code")
@@ -31,7 +30,6 @@ class ProjectCourseUpdate(BaseModel):
     default_certificate_name: str | None = Field(default=None, max_length=128)
     default_course_name: str | None = Field(default=None, max_length=128)
     default_stage_name: str | None = Field(default=None, max_length=128)
-    default_issuer_name: str | None = Field(default=None, min_length=1, max_length=128)
     default_template_code: str | None = Field(default=None, min_length=1, max_length=32)
     status: str | None = Field(default=None, pattern="^(active|disabled)$")
 
@@ -51,7 +49,6 @@ class ProjectCourseOut(BaseModel):
     default_certificate_name: str
     default_course_name: str | None
     default_stage_name: str | None
-    default_issuer_name: str
     default_template_code: str
     status: str
     created_at: datetime
diff --git a/backend/app/services/pdf.py b/backend/app/services/pdf.py
index 93ac01b..edd6a9b 100644
--- a/backend/app/services/pdf.py
+++ b/backend/app/services/pdf.py
@@ -269,15 +269,32 @@ def font(size: int, kind: str = "song", bold: bool = False, scale: float = 1.0)
             ("/System/Library/Fonts/STHeiti Light.ttc", 1),
         ],
     }
-    paths = choices.get(kind, choices["song"])
-    if bold and kind == "song":
-        paths = [
+    bold_choices = {
+        "kai": [
+            r"C:\Windows\Fonts\msyhbd.ttc",
+            r"C:\Windows\Fonts\simhei.ttf",
+            "/usr/share/fonts/opentype/noto/NotoSerifCJK-Bold.ttc",
+            ("/System/Library/Fonts/Supplemental/Songti.ttc", 0),
+            ("/System/Library/Fonts/STHeiti Medium.ttc", 1),
+        ],
+        "hei": [
             r"C:\Windows\Fonts\msyhbd.ttc",
             r"C:\Windows\Fonts\simhei.ttf",
             "/usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc",
             ("/System/Library/Fonts/STHeiti Medium.ttc", 1),
             ("/System/Library/Fonts/Hiragino Sans GB.ttc", 2),
-        ] + paths
+        ],
+        "song": [
+            r"C:\Windows\Fonts\msyhbd.ttc",
+            r"C:\Windows\Fonts\simhei.ttf",
+            "/usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc",
+            ("/System/Library/Fonts/STHeiti Medium.ttc", 1),
+            ("/System/Library/Fonts/Hiragino Sans GB.ttc", 2),
+        ],
+    }
+    paths = choices.get(kind, choices["song"])
+    if bold:
+        paths = bold_choices.get(kind, bold_choices["song"]) + paths
     for item in paths:
         path, index = item if isinstance(item, tuple) else (item, 0)
         if Path(path).exists():
@@ -344,7 +361,7 @@ def draw_issue_date_numbers(
     x_scale: float,
     y_scale: float,
 ) -> None:
-    text_font = font(13, "song", True, scale)
+    text_font = font(13, "song", False, scale)
     y = 688 * y_scale
     for value, x in [(issue_year, 500), (issue_month, 535), (issue_day, 566)]:
         draw.text((x * x_scale, y), value, fill="#111111", font=text_font, anchor="mm")
@@ -364,8 +381,6 @@ def draw_inline(
 ) -> float:
     text_font = font(size, kind, bold, scale)
     draw.text((x, y), value, fill="#111111", font=text_font, anchor="ls")
-    if bold:
-        draw.text((x + 0.45 * x_scale, y), value, fill="#111111", font=text_font, anchor="ls")
     return x + draw.textlength(value, font=text_font) + gap * x_scale
 
 
@@ -374,7 +389,6 @@ def draw_course_name(draw: ImageDraw.ImageDraw, value: str, x: float, y: int) ->
     text_font = font(27, "kai", True)
     if draw.textlength(value, font=text_font) <= max_width:
         draw.text((x, y), value, fill="#111111", font=text_font)
-        draw.text((x + 0.45, y), value, fill="#111111", font=text_font)
         return y
 
     start_y = y + 34
@@ -382,7 +396,6 @@ def draw_course_name(draw: ImageDraw.ImageDraw, value: str, x: float, y: int) ->
     for index, line in enumerate(lines):
         line_y = start_y + index * 34
         draw.text((185, line_y), line, fill="#111111", font=text_font)
-        draw.text((185.45, line_y), line, fill="#111111", font=text_font)
     return start_y + (len(lines) - 1) * 34
 
 
@@ -409,8 +422,6 @@ def draw_inline_flow(
                 x = line_start
                 y += line_height
             draw.text((x, y), char, fill="#111111", font=text_font, anchor="ls")
-            if style == "course":
-                draw.text((x + 0.45 * x_scale, y), char, fill="#111111", font=text_font, anchor="ls")
             x += width
 
 
diff --git a/backend/app/templates/certificate_placeholder.html b/backend/app/templates/certificate_placeholder.html
index d98d660..0c0791a 100644
--- a/backend/app/templates/certificate_placeholder.html
+++ b/backend/app/templates/certificate_placeholder.html
@@ -25,7 +25,6 @@
       <div class="meta">
         <div>证书编号：{{ certificate_no }}</div>
         <div>发证日期：{{ issue_date }}</div>
-        <div>发证单位：{{ issuer_name }}</div>
       </div>
       {% if qr_code_data_url %}<img class="qr" src="{{ qr_code_data_url }}" alt="二维码" />{% endif %}
       <div class="disclaimer">
diff --git a/backend/tests/test_certificate_templates.py b/backend/tests/test_certificate_templates.py
index 486d942..975bbba 100644
--- a/backend/tests/test_certificate_templates.py
+++ b/backend/tests/test_certificate_templates.py
@@ -7,7 +7,7 @@ from app.services.certificate_templates import (
     get_certificate_template,
     list_certificate_templates,
 )
-from app.services.pdf import render_certificate_image
+from app.services.pdf import font, render_certificate_image
 
 
 def test_builtin_certificate_templates_have_assets():
@@ -31,3 +31,12 @@ def test_practice_camp_template_renders_four_dynamic_values():
 
     assert rendered.size == (3437, 2551)
     assert template.dynamic_fields == ("姓名", "课程开始日期", "课程结束日期", "发证日期")
+
+
+def test_certificate_bold_fonts_use_real_bold_faces():
+    for kind in ("kai", "song"):
+        regular = font(32, kind, False)
+        bold = font(32, kind, True)
+
+        assert regular.getname()[1] != bold.getname()[1]
+        assert "Bold" in bold.getname()[1]
diff --git a/backend/tests/test_import_rules.py b/backend/tests/test_import_rules.py
index ba8d297..bec870d 100644
--- a/backend/tests/test_import_rules.py
+++ b/backend/tests/test_import_rules.py
@@ -87,7 +87,7 @@ def test_certificate_create_rejects_reversed_course_period():
         )
 
 
-def test_certificate_create_uses_project_issuer_without_manual_input():
+def test_certificate_create_has_no_issuer_field():
     certificate = CertificateCreate(
         learner_id=1,
         project_code="DBY",
diff --git a/frontend/src/api.ts b/frontend/src/api.ts
index c181048..7ae9110 100644
--- a/frontend/src/api.ts
+++ b/frontend/src/api.ts
@@ -22,7 +22,6 @@ export interface PublicCertificate {
   course_start_date: string | null;
   course_end_date: string | null;
   issue_date: string;
-  issuer_name: string;
   template_code: string;
   status: string;
   pdf_status: string;
@@ -45,7 +44,6 @@ export interface ProjectCourse {
   default_certificate_name: string;
   default_course_name: string | null;
   default_stage_name: string | null;
-  default_issuer_name: string;
   default_template_code: string;
   status: string;
   created_at: string;
@@ -77,7 +75,6 @@ export interface AdminCertificate {
   course_start_date: string | null;
   course_end_date: string | null;
   issue_date: string;
-  issuer_name: string;
   template_code: string;
   status: string;
   pdf_status: string;
diff --git a/frontend/src/views/AdminCertificates.vue b/frontend/src/views/AdminCertificates.vue
index 1ffe238..480dace 100644
--- a/frontend/src/views/AdminCertificates.vue
+++ b/frontend/src/views/AdminCertificates.vue
@@ -147,7 +147,6 @@
         <el-descriptions-item label="证书模板">{{ templateName(preview.template_code) }}</el-descriptions-item>
         <el-descriptions-item label="课程时间">{{ coursePeriodText(preview) }}</el-descriptions-item>
         <el-descriptions-item label="发证日期">{{ preview.issue_date }}</el-descriptions-item>
-        <el-descriptions-item label="发证单位">{{ preview.issuer_name }}</el-descriptions-item>
         <el-descriptions-item label="公开链接">
           <a :href="preview.public_url" target="_blank" rel="noreferrer">{{ preview.public_url }}</a>
         </el-descriptions-item>
diff --git a/frontend/src/views/AdminProjects.vue b/frontend/src/views/AdminProjects.vue
index c484004..6ad5e40 100644
--- a/frontend/src/views/AdminProjects.vue
+++ b/frontend/src/views/AdminProjects.vue
@@ -3,7 +3,7 @@
     <header class="page-head">
       <div>
         <h2>项目管理</h2>
-        <p>维护项目代码和导入时使用的证书默认信息。</p>
+        <p>维护项目代码、默认证书模板和课程信息。</p>
       </div>
       <el-button type="primary" @click="saveProject">{{ editingId ? "保存修改" : "新增项目" }}</el-button>
     </header>
@@ -16,9 +16,6 @@
         <el-form-item label="项目名称">
           <el-input v-model.trim="form.name" maxlength="128" />
         </el-form-item>
-        <el-form-item label="默认发证单位">
-          <el-input v-model.trim="form.default_issuer_name" maxlength="128" />
-        </el-form-item>
         <el-form-item label="默认证书模板">
           <el-select v-model="form.default_template_code">
             <el-option v-for="item in templates" :key="item.code" :label="item.name" :value="item.code" />
@@ -51,7 +48,6 @@
         <el-table-column prop="name" label="项目名称" width="150" />
         <el-table-column prop="default_course_name" label="课程名称" min-width="140" />
         <el-table-column prop="default_stage_name" label="阶段名称" min-width="120" />
-        <el-table-column prop="default_issuer_name" label="发证单位" min-width="140" />
         <el-table-column label="默认模板" min-width="150">
           <template #default="{ row }">{{ templateName(row.default_template_code) }}</template>
         </el-table-column>
@@ -90,7 +86,6 @@ const form = reactive({
   name: "",
   default_course_name: "",
   default_stage_name: "",
-  default_issuer_name: "本公司",
   default_template_code: "classic",
   status: "active",
 });
@@ -104,7 +99,6 @@ const projects = computed(() => {
       item.name,
       item.default_course_name || "",
       item.default_stage_name || "",
-      item.default_issuer_name,
       statusText(item.status),
     ].join(" ").toLowerCase();
     return text.includes(value);
@@ -136,7 +130,6 @@ function editProject(row: ProjectCourse) {
     name: row.name,
     default_course_name: row.default_course_name || "",
     default_stage_name: row.default_stage_name || "",
-    default_issuer_name: row.default_issuer_name,
     default_template_code: row.default_template_code,
     status: row.status,
   });
@@ -149,7 +142,6 @@ function resetForm() {
     name: "",
     default_course_name: "",
     default_stage_name: "",
-    default_issuer_name: "本公司",
     default_template_code: "classic",
     status: "active",
   });
@@ -161,15 +153,14 @@ function projectPayload() {
     name: form.name,
     default_course_name: form.default_course_name || null,
     default_stage_name: form.default_stage_name || null,
-    default_issuer_name: form.default_issuer_name,
     default_template_code: form.default_template_code,
     status: form.status,
   };
 }
 
 async function saveProject() {
-  if (!form.code || !form.name || !form.default_issuer_name) {
-    ElMessage.warning("项目代码、项目名称和发证单位必填");
+  if (!form.code || !form.name) {
+    ElMessage.warning("项目代码和项目名称必填");
     return;
   }
   if (editingId.value) {
diff --git a/frontend/src/views/CertificateQuery.vue b/frontend/src/views/CertificateQuery.vue
index 47dd2cd..b0cbc1a 100644
--- a/frontend/src/views/CertificateQuery.vue
+++ b/frontend/src/views/CertificateQuery.vue
@@ -90,8 +90,6 @@
               <dd>{{ item.issue_date }}</dd>
             </div>
             <div>
-              <dt>发证单位</dt>
-              <dd>{{ item.issuer_name }}</dd>
             </div>
           </dl>
 
@@ -132,7 +130,6 @@
         <div class="preview-meta">
           <span>证书编号：{{ current.certificate_no }}</span>
           <span>发证日期：{{ current.issue_date }}</span>
-          <span>发证单位：{{ current.issuer_name }}</span>
         </div>
       </div>
       <template #footer>
diff --git a/frontend/src/views/CertificateView.vue b/frontend/src/views/CertificateView.vue
index 1d54d37..a72b55e 100644
--- a/frontend/src/views/CertificateView.vue
+++ b/frontend/src/views/CertificateView.vue
@@ -26,8 +26,6 @@
             <dd>{{ certificate.issue_date }}</dd>
           </div>
           <div>
-            <dt>发证单位</dt>
-            <dd>{{ certificate.issuer_name }}</dd>
           </div>
         </dl>
         <el-button v-if="certificate.can_download_pdf" type="primary" class="download" :loading="downloading" @click="downloadPdf">
@@ -67,7 +65,7 @@ async function loadCertificate() {
   try {
     const { data } = await http.get<PublicCertificate>(`/public/certificates/token/${token}`);
     certificate.value = data;
-    message.value = data.status === "valid" ? "该证书真实有效。" : "该证书已作废，请联系发证单位核实。";
+    message.value = data.status === "valid" ? "该证书真实有效。" : "该证书已作废，请联系证书管理方核实。";
     messageType.value = data.status === "valid" ? "success" : "warning";
   } catch (error: any) {
     message.value = error?.response?.data?.detail || "链接无效或已失效";
diff --git a/frontend/src/views/VerifyView.vue b/frontend/src/views/VerifyView.vue
index b597c34..74a830d 100644
--- a/frontend/src/views/VerifyView.vue
+++ b/frontend/src/views/VerifyView.vue
@@ -11,7 +11,6 @@
         <el-descriptions-item label="证书名称">{{ certificate.certificate_name }}</el-descriptions-item>
         <el-descriptions-item label="课程时间">{{ coursePeriodText }}</el-descriptions-item>
         <el-descriptions-item label="发证日期">{{ certificate.issue_date }}</el-descriptions-item>
-        <el-descriptions-item label="发证单位">{{ certificate.issuer_name }}</el-descriptions-item>
       </el-descriptions>
     </section>
   </main>
@@ -39,7 +38,7 @@ async function loadCertificate() {
   try {
     const { data } = await http.get<PublicCertificate>(`/public/certificates/token/${token}`);
     certificate.value = data;
-    message.value = data.status === "valid" ? "该证书真实有效。" : "该证书已作废，请联系发证单位核实。";
+    message.value = data.status === "valid" ? "该证书真实有效。" : "该证书已作废，请联系证书管理方核实。";
     messageType.value = data.status === "valid" ? "success" : "warning";
   } catch (error: any) {
     message.value = error?.response?.data?.detail || "链接无效或已失效";