diff --git a/src/em_reports/fetch.py b/src/em_reports/fetch.py
index 2bc7b7b..63b41c1 100644
--- a/src/em_reports/fetch.py
+++ b/src/em_reports/fetch.py
@@ -90,13 +90,12 @@ def fetch_reports_list_general(fetch_func, table_name, s_date, e_date, data_dir_
                 row['stockName'] = ''
             if 'stockCode' not in row or row['stockCode'] is None or row['stockCode']=='':
                 row['stockCode'] = ''
-            if 'newPeIssueA' in row and row['newPeIssueA'] is None:
+            if 'newPeIssueA' in row:
                 try:
                     row['newPeIssueA'] = float(row.get('newPeIssueA', 0))
                 except ValueError:
                     row['newPeIssueA'] = 0.0
-            else:
-                row['newPeIssueA'] = 0.0
+                    
             row_id = db_tools.insert_or_update_common(row, table_name)
             if row_id:
                 logging.debug(f'insert one row. rowid:{row_id}, ')
diff --git a/src/sqlalchemy/migrations/stockdb/versions/ed6f0c9504d3_auto_update_from_stockdb.py b/src/sqlalchemy/migrations/stockdb/versions/ed6f0c9504d3_auto_update_from_stockdb.py
new file mode 100644
index 0000000..76c3e5b
--- /dev/null
+++ b/src/sqlalchemy/migrations/stockdb/versions/ed6f0c9504d3_auto_update_from_stockdb.py
@@ -0,0 +1,40 @@
+"""Auto update from stockdb
+
+Revision ID: ed6f0c9504d3
+Revises: c72bb1f27166
+Create Date: 2025-08-10 19:30:35.563839
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision: str = 'ed6f0c9504d3'
+down_revision: Union[str, Sequence[str], None] = 'c72bb1f27166'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('reports_stock', 'ratingChange',
+               existing_type=mysql.INTEGER(),
+               type_=sa.String(length=50),
+               existing_comment='评级变动',
+               existing_nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('reports_stock', 'ratingChange',
+               existing_type=sa.String(length=50),
+               type_=mysql.INTEGER(),
+               existing_comment='评级变动',
+               existing_nullable=True)
+    # ### end Alembic commands ###
diff --git a/src/sqlalchemy/models/stockdb.py b/src/sqlalchemy/models/stockdb.py
index 9ec98e1..7a43864 100644
--- a/src/sqlalchemy/models/stockdb.py
+++ b/src/sqlalchemy/models/stockdb.py
@@ -484,7 +484,7 @@ class ReportsStock(Base):
     lastEmRatingCode: Mapped[Optional[str]] = mapped_column(String(50), comment="上次东方财富评级代码")
     lastEmRatingValue: Mapped[Optional[str]] = mapped_column(String(50), comment="上次东方财富评级值")
     lastEmRatingName: Mapped[Optional[str]] = mapped_column(String(100), comment="上次东方财富评级名称")
-    ratingChange: Mapped[Optional[int]] = mapped_column(Integer, comment="评级变动")
+    ratingChange: Mapped[Optional[str]] = mapped_column(String(50), comment="评级变动")
     reportType: Mapped[Optional[int]] = mapped_column(Integer, comment="报告类型")
     author: Mapped[Optional[str]] = mapped_column(String(255), comment="作者（逗号分隔）")
     indvIsNew: Mapped[Optional[str]] = mapped_column(String(20), comment="是否为新研报")