diff --git a/backend/app/api/characters.py b/backend/app/api/characters.py
index 26826d1..a47287d 100644
--- a/backend/app/api/characters.py
+++ b/backend/app/api/characters.py
@@ -420,7 +420,7 @@ async def generate_character(
 """
         
         # 获取自定义提示词模板
-        template = await PromptService.get_template("SINGLE_CHARACTER", user_id, db)
+        template = await PromptService.get_template("SINGLE_CHARACTER_GENERATION", user_id, db)
         # 格式化提示词
         prompt = PromptService.format_prompt(
             template,
@@ -829,7 +829,7 @@ async def generate_character_stream(
             yield await SSEResponse.send_progress("构建AI提示词...", 20)
             
             # 获取自定义提示词模板
-            template = await PromptService.get_template("SINGLE_CHARACTER", user_id, db)
+            template = await PromptService.get_template("SINGLE_CHARACTER_GENERATION", user_id, db)
             # 格式化提示词
             prompt = PromptService.format_prompt(
                 template,
diff --git a/backend/app/api/organizations.py b/backend/app/api/organizations.py
index 05ed465..20d9745 100644
--- a/backend/app/api/organizations.py
+++ b/backend/app/api/organizations.py
@@ -497,7 +497,7 @@ async def generate_organization(
 """
         
         # 获取自定义提示词模板
-        template = await PromptService.get_template("SINGLE_ORGANIZATION", user_id, db)
+        template = await PromptService.get_template("SINGLE_ORGANIZATION_GENERATION", user_id, db)
         # 格式化提示词
         prompt = PromptService.format_prompt(
             template,
@@ -693,7 +693,7 @@ async def generate_organization_stream(
             yield await SSEResponse.send_progress("构建AI提示词...", 20)
             
             # 获取自定义提示词模板
-            template = await PromptService.get_template("SINGLE_ORGANIZATION", user_id, db)
+            template = await PromptService.get_template("SINGLE_ORGANIZATION_GENERATION", user_id, db)
             # 格式化提示词
             prompt = PromptService.format_prompt(
                 template,
diff --git a/backend/app/api/polish.py b/backend/app/api/polish.py
index 4f9906f..6710baf 100644
--- a/backend/app/api/polish.py
+++ b/backend/app/api/polish.py
@@ -37,7 +37,7 @@ async def polish_text(
         user_id = getattr(http_request.state, 'user_id', None)
         
         # 获取自定义提示词模板
-        template = await PromptService.get_template("DENOISING", user_id, db)
+        template = await PromptService.get_template("AI_DENOISING", user_id, db)
         # 格式化提示词
         prompt = PromptService.format_prompt(
             template,
@@ -111,7 +111,7 @@ async def polish_batch(
             logger.info(f"处理第 {idx+1}/{len(texts)} 个文本")
             
             # 获取自定义提示词模板
-            template = await PromptService.get_template("DENOISING", user_id, db)
+            template = await PromptService.get_template("AI_DENOISING", user_id, db)
             # 格式化提示词
             prompt = PromptService.format_prompt(template, original_text=text)
             
diff --git a/backend/app/api/wizard_stream.py b/backend/app/api/wizard_stream.py
index 7125f3f..42a785f 100644
--- a/backend/app/api/wizard_stream.py
+++ b/backend/app/api/wizard_stream.py
@@ -458,7 +458,7 @@ async def characters_generator(
                             batch_requirements += "\n主要是配角(supporting)和反派(antagonist)"
                     
                     # 获取自定义提示词模板
-                    template = await PromptService.get_template("CHARACTERS_BATCH", user_id, db)
+                    template = await PromptService.get_template("CHARACTERS_BATCH_GENERATION", user_id, db)
                     # 构建基础提示词
                     base_prompt = PromptService.format_prompt(
                         template,
diff --git a/backend/app/services/chapter_regenerator.py b/backend/app/services/chapter_regenerator.py
index db6ca69..59a7714 100644
--- a/backend/app/services/chapter_regenerator.py
+++ b/backend/app/services/chapter_regenerator.py
@@ -178,7 +178,7 @@ class ChapterRegenerator:
     ) -> str:
         """构建完整的重新生成提示词"""
         # 获取自定义提示词模板
-        template = await PromptService.get_template("CHAPTER_REGENERATION", user_id, db)
+        template = await PromptService.get_template("CHAPTER_REGENERATION_SYSTEM", user_id, db)
         # 格式化提示词
         return PromptService.format_prompt(
             template,
diff --git a/backend/app/services/prompt_service.py b/backend/app/services/prompt_service.py
index a77041f..387c734 100644
--- a/backend/app/services/prompt_service.py
+++ b/backend/app/services/prompt_service.py
@@ -2081,7 +2081,26 @@ class PromptService:
         
         # 2. 降级到系统默认模板
         logger.info(f"⚪ 使用系统默认提示词: user_id={user_id}, template_key={template_key} (未找到自定义模板)")
-        return getattr(cls, template_key, None)
+        
+        # 特殊处理灵感模式的提示词（存储在INSPIRATION_PROMPTS字典中）
+        if template_key.startswith("INSPIRATION_"):
+            # 提取步骤名称（如 INSPIRATION_TITLE -> title）
+            step = template_key.replace("INSPIRATION_", "").lower()
+            inspiration_prompt = cls.INSPIRATION_PROMPTS.get(step)
+            if inspiration_prompt:
+                # 返回JSON格式的提示词
+                return json.dumps(inspiration_prompt, ensure_ascii=False)
+            # 如果是INSPIRATION_QUICK_COMPLETE
+            if template_key == "INSPIRATION_QUICK_COMPLETE":
+                return cls.INSPIRATION_QUICK_COMPLETE
+        
+        # 其他模板直接从类属性获取
+        template_content = getattr(cls, template_key, None)
+        
+        if template_content is None:
+            logger.warning(f"⚠️ 未找到系统默认模板: {template_key}")
+        
+        return template_content
     
     @classmethod
     def get_all_system_templates(cls) -> list: